Social Media

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Researchers surprised that with AI, toxicity is harder to fake than intelligence

The next time you encounter an unusually polite reply on social media, you might want to check twice. It could be an AI model trying (and failing) to blend in with the crowd.

On Wednesday, researchers from the University of Zurich, University of Amsterdam, Duke University, and New York University released a study revealing that AI models remain easily distinguishable from humans in social media conversations, with overly friendly emotional tone serving as the most persistent giveaway. The research, which tested nine open-weight models across Twitter/X, Bluesky, and Reddit, found that classifiers developed by the researchers detected AI-generated replies with 70 to 80 percent accuracy.

The study introduces what the authors call a “computational Turing test” to assess how closely AI models approximate human language. Instead of relying on subjective human judgment about whether text sounds authentic, the framework uses automated classifiers and linguistic analysis to identify specific features that distinguish machine-generated from human-authored content.

“Even after calibration, LLM outputs remain clearly distinguishable from human text, particularly in affective tone and emotional expression,” the researchers wrote. The team, led by Nicolò Pagan at the University of Zurich, tested various optimization strategies, from simple prompting to fine-tuning, but found that deeper emotional cues persist as reliable tells that a particular text interaction online was authored by an AI chatbot rather than a human.

The toxicity tell

In the study, researchers tested nine large language models: Llama 3.1 8B, Llama 3.1 8B Instruct, Llama 3.1 70B, Mistral 7B v0.1, Mistral 7B Instruct v0.2, Qwen 2.5 7B Instruct, Gemma 3 4B Instruct, DeepSeek-R1-Distill-Llama-8B, and Apertus-8B-2509.

When prompted to generate replies to real social media posts from actual users, the AI models struggled to match the level of casual negativity and spontaneous emotional expression common in human social media posts, with toxicity scores consistently lower than authentic human replies across all three platforms.

To counter this deficiency, the researchers attempted optimization strategies (including providing writing examples and context retrieval) that reduced structural differences like sentence length or word count, but variations in emotional tone persisted. “Our comprehensive calibration tests challenge the assumption that more sophisticated optimization necessarily yields more human-like output,” the researchers concluded.

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Man finally released a month after absurd arrest for reposting Trump meme


Bodycam footage undermined sheriff’s “true threat” justification for the arrest.

The saga of a 61-year-old man jailed for more than a month after reposting a Facebook meme has ended, but free speech advocates are still reeling in the wake.

On Wednesday, Larry Bushart was released from Perry County Jail, where he had spent weeks unable to make bail, which a judge set at $2 million. Prosecutors have not explained why the charges against him were dropped, according to The Intercept, which has been tracking the case closely. However, officials faced mounting pressure following media coverage and a social media campaign called “Free Larry Bushart,” which stoked widespread concern over suspected police censorship of a US citizen over his political views.

How a meme landed a man in jail

Bushart’s arrest came after he decided to troll a message thread about a Charlie Kirk vigil in a Facebook group called “What’s Happening in Perry County, TN.” He posted a meme showing a picture of Donald Trump saying, “We should get over it.” The meme included a caption that said “Donald Trump, on the Perry High School mass shooting, one day after,” and Bushart included a comment with his post that said, “This seems relevant today ….”

His meme caught the eye of the Perry County sheriff, Nick Weems, who had mourned Kirk’s passing on his own Facebook page, The Intercept noted.

Supposedly, Weems’ decision to go after Bushart wasn’t due to his political views but to receiving messages from parents who misread Bushart’s post as possibly threatening an attack on the local Perry County High School. To pressure Bushart to remove the post, Weems contacted the Lexington Police Department to find Bushart. That led to the meme poster’s arrest and transfer to Perry County Jail.

Weems justified the arrest by claiming that Bushart’s meme represented a true threat, since “investigators believe Bushart was fully aware of the fear his post would cause and intentionally sought to create hysteria within the community,” The Tennessean reported. But “there was no evidence of any hysteria,” The Intercept reported, leading media outlets to pick apart Weems’ story.

Perhaps most suspicious were Weems’ claims that Bushart had callously refused to take down his post after cops told him that people were scared that he was threatening a school shooting.

The Intercept and Nashville’s CBS affiliate, NewsChannel 5, secured bodycam footage from the Lexington cop that undermined Weems’ narrative. The footage clearly showed the cop did not understand why the Perry County sheriff had taken issue with Bushart’s Facebook post.

“So, I’m just going to be completely honest with you,” the cop told Bushart. “I have really no idea what they are talking about. He had just called me and said there was some concerning posts that were made….”

Bushart clarified that it was likely his Facebook posts, laughing at the notion that someone had called the cops to report his meme. The Lexington officer told Bushart that he wasn’t sure “exactly what” Facebook post “they are referring to you,” but “they said that something was insinuating violence.”

“No, it wasn’t,” Bushart responded, confirming that “I’m not going to take it down.”

The cop, declining to even glance at the Facebook post, told Bushart, “I don’t care. This ain’t got nothing to do with me.” But the officer’s indifference didn’t stop Lexington police from taking Bushart into custody, booking him, and sending him to Weems’ county, where Bushart was charged “under a state law passed in July 2024 that makes it a Class E felony to make threats against schools,” The Tennessean reported.

“Just to clarify, this is what they charged you with,” a Perry County jail officer told Bushart—which was recorded on footage reviewed by The Intercept—“Threatening Mass Violence at a School.”

“At a school?” Bushart asked.

“I ain’t got a clue,” the officer responded, laughing. “I just gotta do what I have to do.”

“I’ve been in Facebook jail, but now I’m really in it,” Bushart said, joining him in laughing.

Cops knew the meme wasn’t a threat

Lexington police told The Intercept that Weems had lied when he told local news outlets that the forces had “coordinated” to offer Bushart a chance to delete the post prior to his arrest. Confronted with the bodycam footage, Weems denied lying, claiming that his investigator’s report must have been inaccurate, NewsChannel 5 reported.

Weems later admitted to NewsChannel 5 that “investigators knew that the meme was not about Perry County High School” and sought Bushart’s arrest anyway, supposedly hoping to quell “the fears of people in the community who misinterpreted it.” That’s as close as Weems comes to seemingly admitting that his intention was to censor the post.

The Perry County Sheriff’s Office did not respond to Ars’ request to comment.

According to The Tennessean, the law that landed Bushart behind bars has been widely criticized by First Amendment advocates. Beth Cruz, a lecturer in public interest law at Vanderbilt University Law School, told The Tennessean that “518 children in Tennessee were arrested under the current threats of mass violence law, including 71 children between the ages of 7 and 11” last year alone.

The law seems to contradict Supreme Court precedent, which set a high bar for what’s considered a “true threat,” recognizing that “it is easy for speech made in one context to inadvertently reach a larger audience” that misinterprets the message.

“The risk of overcriminalizing upsetting or frightening speech has only been increased by the Internet,” SCOTUS ruled. Justices warned then that “without sufficient protection for unintentionally threatening speech, a high school student who is still learning norms around appropriate language could easily go to prison.” They also feared that “someone may post an enraged comment under a news story about a controversial topic” that potentially gets them in trouble for speaking out “in the heat of the moment.”

“In a Nation that has never been timid about its opinions, political or otherwise, this is commonplace,” SCOTUS noted.

Dissenting judges, including Amy Coney Barrett and Clarence Thomas, thought the ruling went too far to protect speech, however. They felt that so long as a “reasonable person would regard the statement as a threat of violence,” that supposedly objective standard could be enough to criminalize speech like Bushart’s.

Adam Steinbaugh, an attorney with the Foundation for Individual Rights and Expression, told The Intercept that “people’s performative overreaction is not a sufficient basis to limit someone else’s free speech rights.”

“A free country does not dispatch police in the dead of night to pull people from their homes because a sheriff objects to their social media posts,” Steinbaugh said.

Man resumes Facebook posting upon release

Chris Eargle, who started the “Free Larry Bushart” Facebook group, told The Intercept that Weems’ story justifying the arrest made no sense. Instead, it seemed like the sheriff’s actions were politically motivated, Eargle suggested, intended to silence people like Bushart with a show of force demonstrating that “if you say something I don’t like, and you don’t take it down, now you’re going to be in trouble.”

“I mean, it’s just control over people’s speech,” Eargle said.

The Perry County Sheriff’s office chose to remove its Facebook page after the controversy, and it remains down as of this writing.

But Weems logged onto his Facebook page on Wednesday before Bushart’s charges were dropped, The Intercept reported. The sheriff seemingly stuck to his guns that people had interpreted the meme as a threat to a local school, claiming that he’s “100 percent for protecting the First Amendment. However, freedom of speech does not allow anyone to put someone else in fear of their well being.”

For Bushart, who The Intercept noted retired from decades in law enforcement last year, the arrest turned him into an icon of free speech, but it also shook up his life. He lost his job as a medical driver, and he missed the birth of his granddaughter.

Leaving jail, Bushart said he was “very happy to be going home.” He thanked all his supporters who ensured that he would not have to wait until December 4 to petition for his bail to be reduced—a delay which the prosecution had sought shortly before abruptly dismissing the charges, The Intercept reported.

Back at his computer, Bushart logged onto Facebook, posting first about his grandkid, then resuming his political trolling.

Eargle claimed many others fear posting their political opinions after Bushart’s arrest, though. Bushart’s son, Taylor, told Nashville news outlet WKRN that it has been a “trying time” for his family, while noting that his father’s release “doesn’t change what has happened to him” or threats to speech that could persist under Tennessee’s law.

“I can’t even begin to express how thankful we are for the outpour of support he has received,” Taylor said. “If we don’t fight to protect and preserve our rights today, just as we’ve now seen, they may be gone tomorrow.”

Photo of Ashley Belanger

Ashley is a senior policy reporter for Ars Technica, dedicated to tracking social impacts of emerging policies and new technologies. She is a Chicago-based journalist with 20 years of experience.

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OpenAI’s Sora 2 lets users insert themselves into AI videos with sound

On Tuesday, OpenAI announced Sora 2, its second-generation video-synthesis AI model that can now generate videos in various styles with synchronized dialogue and sound effects, which is a first for the company. OpenAI also launched a new iOS social app that allows users to insert themselves into AI-generated videos through what OpenAI calls “cameos.”

OpenAI showcased the new model in an AI-generated video that features a photorealistic version of OpenAI CEO Sam Altman talking to the camera in a slightly unnatural-sounding voice amid fantastical backdrops, like a competitive ride-on duck race and a glowing mushroom garden.

Regarding that voice, the new model can create what OpenAI calls “sophisticated background soundscapes, speech, and sound effects with a high degree of realism.” In May, Google’s Veo 3 became the first video-synthesis model from a major AI lab to generate synchronized audio as well as video. Just a few days ago, Alibaba released Wan 2.5, an open-weights video model that can generate audio as well. Now OpenAI has joined the audio party with Sora 2.

OpenAI demonstrates Sora 2’s capabilities in a launch video.

The model also features notable visual consistency improvements over OpenAI’s previous video model, and it can also follow more complex instructions across multiple shots while maintaining coherency between them. The new model represents what OpenAI describes as its “GPT-3.5 moment for video,” comparing it to the ChatGPT breakthrough during the evolution of its text-generation models over time.

Sora 2 appears to demonstrate improved physical accuracy over the original Sora model from February 2024, with OpenAI claiming the model can now simulate complex physical movements like Olympic gymnastics routines and triple axels while maintaining realistic physics. Last year, shortly after the launch of Sora 1 Turbo, we saw several notable failures of similar video-generation tasks that OpenAI claims to have addressed with the new model.

“Prior video models are overoptimistic—they will morph objects and deform reality to successfully execute upon a text prompt,” OpenAI wrote in its announcement. “For example, if a basketball player misses a shot, the ball may spontaneously teleport to the hoop. In Sora 2, if a basketball player misses a shot, it will rebound off the backboard.”

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A history of the Internet, part 3: The rise of the user


the best of times, the worst of times

The reins of the Internet are handed over to ordinary users—with uneven results.

Everybody get together. Credit: D3Damon/Getty Images

Everybody get together. Credit: D3Damon/Getty Images

Welcome to the final article in our three-part series on the history of the Internet. If you haven’t already, catch up with part one and part two.

As a refresher, here’s the story so far:

The ARPANET was a project started by the Defense Department’s Advanced Research Project Agency in 1969 to network different mainframe computers together across the country. It later evolved into the Internet, connecting multiple global networks together using a common TCP/IP protocol. By the late 1980s, a small group of academics and a few curious consumers connected to each other on the Internet, which was still mostly text-based.

In 1991, Tim Berners-Lee invented the World Wide Web, an Internet-based hypertext system designed for graphical interfaces. At first, it ran only on the expensive NeXT workstation. But when Berners-Lee published the web’s protocols and made them available for free, people built web browsers for many different operating systems. The most popular of these was Mosaic, written by Marc Andreessen, who formed a company to create its successor, Netscape. Microsoft responded with Internet Explorer, and the browser wars were on.

The web grew exponentially, and so did the hype surrounding it. It peaked in early 2001, right before the dotcom collapse that left most web-based companies nearly or completely bankrupt. Some people interpreted this crash as proof that the consumer Internet was just a fad. Others had different ideas.

Larry Page and Sergey Brin met each other at a graduate student orientation at Stanford in 1996. Both were studying for their PhDs in computer science, and both were interested in analyzing large sets of data. Because the web was growing so rapidly, they decided to start a project to improve the way people found information on the Internet.

They weren’t the first to try this. Hand-curated sites like Yahoo had already given way to more algorithmic search engines like AltaVista and Excite, which both started in 1995. These sites attempted to find relevant webpages by analyzing the words on every page.

Page and Brin’s technique was different. Their “BackRub” software created a map of all the links that pages had to each other. Pages on a given subject that had many incoming links from other sites were given a higher ranking for that keyword. Higher-ranked pages could then contribute a larger score to any pages they linked to. In a sense, this was a like a crowdsourcing of search: When people put “This is a good place to read about alligators” on a popular site and added a link to a page about alligators, it did a better job of determining that page’s relevance than simply counting the number of times the word appeared on a page.

Step 1 of the simplified BackRub algorithm. It also stores the position of each word on a page, so it can make a further subset for multiple words that appear next to each other. Jeremy Reimer.

Creating a connected map of the entire World Wide Web with indexes for every word took a lot of computing power. The pair filled their dorm rooms with any computers they could find, paid for by a $10,000 grant from the Stanford Digital Libraries Project. Many were cobbled together from spare parts, including one with a case made from imitation LEGO bricks. Their web scraping project was so bandwidth-intensive that it briefly disrupted the university’s internal network. Because neither of them had design skills, they coded the simplest possible “home page” in HTML.

In August 1996, BackRub was made available as a link from Stanford’s website. A year later, Page and Brin rebranded the site as “Google.” The name was an accidental misspelling of googol, a term coined by a mathematician’s young son to describe a 1 with 100 zeros after it. Even back then, the pair was thinking big.

Google.com as it appeared in 1998. Credit: Jeremy Reimer

By mid-1998, their prototype was getting over 10,000 searches a day. Page and Brin realized they might be onto something big. It was nearing the height of the dotcom mania, so they went looking for some venture capital to start a new company.

But at the time, search engines were considered passée. The new hotness was portals, sites that had some search functionality but leaned heavily into sponsored content. After all, that’s where the big money was. Page and Brin tried to sell the technology to AltaVista for $1 million, but its parent company passed. Excite also turned them down, as did Yahoo.

Frustrated, they decided to hunker down and keep improving their product. Brin created a colorful logo using the free GIMP paint program, and they added a summary snippet to each result. Eventually, the pair received $100,000 from angel investor Andy Bechtolsheim, who had co-founded Sun Microsystems. That was enough to get the company off the ground.

Page and Brin were careful with their money, even after they received millions more from venture capitalist firms. They preferred cheap commodity PC hardware and the free Linux operating system as they expanded their system. For marketing, they relied mostly on word of mouth. This allowed Google to survive the dotcom crash that crippled its competitors.

Still, the company eventually had to find a source of income. The founders were concerned that if search results were influenced by advertising, it could lower the usefulness and accuracy of the search. They compromised by adding short, text-based ads that were clearly labeled as “Sponsored Links.” To cut costs, they created a form so that advertisers could submit their own ads and see them appear in minutes. They even added a ranking system so that more popular ads would rise to the top.

The combination of a superior product with less intrusive ads propelled Google to dizzying heights. In 2024, the company collected over $350 billion in revenue, with $112 billion of that as profit.

Information wants to be free

The web was, at first, all about text and the occasional image. In 1997, Netscape added the ability to embed small music files in the MIDI sound format that would play when a webpage was loaded. Because the songs only encoded notes, they sounded tinny and annoying on most computers. Good audio or songs with vocals required files that were too large to download over the Internet.

But this all changed with a new file format. In 1993, researchers at the Fraunhofer Institute developed a compression technique that eliminated portions of audio that human ears couldn’t detect. Suzanne Vega’s song “Tom’s Diner” was used as the first test of the new MP3 standard.

Now, computers could play back reasonably high-quality songs from small files using software decoders. WinPlay3 was the first, but WinAmp, released in 1997, became the most popular. People started putting links to MP3 files on their personal websites. Then, in 1999, Shawn Fanning released a beta of a product he called Napster. This was a desktop application that relied on the Internet to let people share their MP3 collection and search everyone else’s.

Napster as it would have appeared in 1999. Credit: Jeremy Reimer

Napster almost immediately ran into legal challenges from the Recording Industry Association of America (RIAA). It sparked a debate about sharing things over the Internet that persists to this day. Some artists agreed with the RIAA that downloading MP3 files should be illegal, while others (many of whom had been financially harmed by their own record labels) welcomed a new age of digital distribution. Napster lost the case against the RIAA and shut down in 2002. This didn’t stop people from sharing files, but replacement tools like eDonkey 2000, Limewire, Kazaa, and Bearshare lived in a legal gray area.

In the end, it was Apple that figured out a middle ground that worked for both sides. In 2003, two years after launching its iPod music player, Apple announced the Internet-only iTunes Store. Steve Jobs had signed deals with all five major record labels to allow legal purchasing of individual songs—astoundingly, without copy protection—for 99 cents each, or full albums for $10. By 2010, the iTunes Store was the largest music vendor in the world.

iTunes 4.1, released in 2003. This was the first version for Windows and introduced the iTunes Store to a wider world. Credit: Jeremy Reimer

The Web turns 2.0

Tim Berners-Lee’s original vision for the web was simply to deliver and display information. It was like a library, but with hypertext links. But it didn’t take long for people to start experimenting with information flowing the other way. In 1994, Netscape 0.9 added new HTML tags like FORM and INPUT that let users enter text and, using a “Submit” button, send it back to the web server.

Early web servers didn’t know what to do with this text. But programmers developed extensions that let a server run programs in the background. The standardized “Common Gateway Interface” (CGI) made it possible for a “Submit” button to trigger a program (usually in a /cgi-bin/ directory) that could do something interesting with the submission, like talking to a database. CGI scripts could even generate new webpages dynamically and send them back to the user.

This intelligent two-way interaction changed the web forever. It enabled things like logging into an account on a website, web-based forums, and even uploading files directly to a web server. Suddenly, a website wasn’t just a page that you looked at. It could be a community where groups of interested people could interact with each other, sharing both text and images.

Dynamic webpages led to the rise of blogging, first as an experiment (some, like Justin Hall’s and Dave Winer’s, are still around today) and then as something anyone could do in their spare time. Websites in general became easier to create with sites like Geocities and Angelfire, which let people build their own personal dream house on the web for free. A community-run dynamic linking site, webring.org, connected similar websites together, encouraging exploration.

Webring.org was a free, community-run service that allowed dynamically updated webrings. Credit: Jeremy Reimer

One of the best things to come out of Web 2.0 was Wikipedia. It arose as a side project of Nupedia, an online encyclopedia founded by Jimmy Wales, with articles written by volunteers who were subject matter experts. This process was slow, and the site only had 21 articles in its first year. Wikipedia, in contrast, allowed anyone to contribute and review articles, so it quickly outpaced its predecessor. At first, people were skeptical about letting random Internet users edit articles. But thanks to an army of volunteer editors and a set of tools to quickly fix vandalism, the site flourished. Wikipedia far surpassed works like the Encyclopedia Britannica in sheer numbers of articles while maintaining roughly equivalent accuracy.

Not every Internet innovation lived on a webpage. In 1988, Jarkko Oikarinen created a program called Internet Relay Chat (IRC), which allowed real-time messaging between individuals and groups. IRC clients for Windows and Macintosh were popular among nerds, but friendlier applications like PowWow (1994), ICQ (1996), and AIM (1997) brought messaging to the masses. Even Microsoft got in on the act with MSN Messenger in 1999. For a few years, this messaging culture was an important part of daily life at home, school, and work.

A digital recreation of MSN Messenger from 2001. Sadly, Microsoft shut down the servers in 2014. Credit: Jeremy Reimer

Animation, games, and video

While the web was evolving quickly, the slow speeds of dial-up modems limited the size of files you could upload to a website. Static images were the norm. Animation only appeared in heavily compressed GIF files with a few frames each.

But a new technology blasted past these limitations and unleashed a torrent of creativity on the web. In 1995, Macromedia released Shockwave Player, an add-on for Netscape Navigator. Along with its Director software, the combination allowed artists to create animations based on vector drawings. These were small enough to embed inside webpages.

Websites popped up to support this new content. Newgrounds.com, which started in 1995 as a Neo-Geo fan site, started collecting the best animations. Because Director was designed to create interactive multimedia for CD-ROM projects, it also supported keyboard and mouse input and had basic scripting. This meant that people could make simple games that ran in Shockwave. Newgrounds eagerly showcased these as well, giving many aspiring artists and game designers an entry point into their careers. Super Meat Boy, for example, was first prototyped on Newgrounds.

Newgrounds as it would have appeared circa 2003. Credit: Jeremy Reimer

Putting actual video on the web seemed like something from the far future. But the future arrived quickly. After the dotcom crash of 2001, there were many unemployed web programmers with a lot of time on their hands to experiment with their personal projects. The arrival of broadband with cable modems and digital subscriber lines (DSL), combined with the new MPEG4 compression standard, made a lot of formerly impossible things possible.

In early 2005, Chad Hurley, Steve Chen, and Jawed Karim launched Youtube.com. Initially, it was meant to be an online dating site, but that service failed. The site, however, had great technology for uploading and playing videos. It used Macromedia’s Flash, a new technology so similar to Shockwave that the company marketed it as Shockwave Flash. YouTube allowed anybody to upload videos up to ten minutes in length for free. It became so popular that Google bought it a year later for $1.65 billion.

All these technologies combined to provide ordinary people with the opportunity, however brief, to make an impact on popular culture. An early example was the All Your Base phenomenon. An animated GIF of an obscure, mistranslated Sega Genesis game inspired indie musicians The Laziest Men On Mars to create a song and distribute it as an MP3. The popular humor site somethingawful.com picked it up, and users in the Photoshop Friday forum thread created a series of humorous images to go along with the song. Then in 2001, the user Bad_CRC took the song and the best of the images and put them together in an animation they shared on Newgrounds. The YouTube version gained such wide popularity that it was reported on by USA Today.

You have no chance to survive make your time.

Media goes social

In the early 2000s, most websites were either blogs or forums—and frequently both. Forums had multiple discussion boards, both general and specific. They often leaned into a specific hobby or interest, and anyone with that interest could join. There were also a handful of dating websites, like kiss.com (1994), match.com (1995), and eHarmony.com (2000), that specifically tried to connect people who might have a romantic interest in each other.

The Swedish Lunarstorm was one of the first social media websites. Credit: Jeremy Reimer

The road to social media was a hazy and confusing merging of these two types of websites. There was classmates.com (1995) that served as a way to connect with former school chums, and the following year, the Swedish site lunarstorm.com opened with this mission:

Everyone has their own website called Krypin. Each babe [this word is an accurate translation] has their own Krypin where she or he introduces themselves, posts their diaries and their favorite files, which can be anything from photos and their own songs to poems and other fun stuff. Every LunarStormer also has their own guestbook where you can write if you don’t really dare send a LunarEmail or complete a Friend Request.

In 1997, sixdegrees.com opened, based on the truism that everyone on earth is connected with six or fewer degrees of separation. Its About page said, “Our free networking services let you find the people you want to know through the people you already know.”

By the time friendster.com opened its doors in 2002, the concept of “friending” someone online was already well established, although it was still a niche activity. LinkedIn.com, launched the following year, used the excuse of business networking to encourage this behavior. But it was MySpace.com (2003) that was the first to gain significant traction.

MySpace was initially a Friendster clone written in just ten days by employees at eUniverse, an Internet marketing startup founded by Brad Greenspan. It became the company’s most successful product. MySpace combined the website-building ability of sites like GeoCities with social networking features. It took off incredibly quickly: in just three years, it surpassed Google as the most visited website in the United States. Hype around MySpace reached such a crescendo that Rupert Murdoch purchased it in 2005 for $580 million.

But a newcomer to the social media scene was about to destroy MySpace. Just as Google crushed its competitors, this startup won by providing a simpler, more functional, and less intrusive product. TheFaceBook.com began as Mark Zuckerberg and his college roommate’s attempt to replace their college’s online directory. Zuckerberg’s first student website, “Facemash,” had been created by breaking into Harvard’s network, and its sole feature was to provide “Hot or Not” comparisons of student photos. Facebook quickly spread to other universities, and in 2006 (after dropping the “the”), it was opened to the rest of the world.

“The” Facebook as it appeared in 2004. Credit: Jeremy Reimer

Facebook won the social networking wars by focusing on the rapid delivery of new features. The company’s slogan, “Move fast and break things,” encouraged this strategy. The most prominent feature, added in 2006, was the News Feed. It generated a list of posts, selected out of thousands of potential updates for each user based on who they followed and liked, and showed it on their front page. Combined with a technique called “infinite scrolling,” first invented for Microsoft’s Bing Image Search by Hugh E. Williams in 2005, it changed the way the web worked forever.

The algorithmically generated News Feed created new opportunities for Facebook to make profits. For example, businesses could boost posts for a fee, which would make them appear in news feeds more often. These blurred the lines between posts and ads.

Facebook was also successful in identifying up-and-coming social media sites and buying them out before they were able to pose a threat. This was made easier thanks to Onavo, a VPN that monitored its users’ activities and resold the data. Facebook acquired Onavo in 2013. It was shut down in 2019 due to continued controversy over the use of private data.

Social media transformed the Internet, drawing in millions of new users and starting a consolidation of website-visiting habits that continues to this day. But something else was about to happen that would shake the Internet to its core.

Don’t you people have phones?

For years, power users had experimented with getting the Internet on their handheld devices. IBM’s Simon phone, which came out in 1994, had both phone and PDA features. It could send and receive email. The Nokia 9000 Communicator, released in 1996, even had a primitive text-based web browser.

Later phones like the Blackberry 850 (1999), the Nokia 9210 (2001), and the Palm Treo (2002), added keyboards, color screens, and faster processors. In 1999, the Wireless Application Protocol (WAP) was released, which allowed mobile phones to receive and display simplified, phone-friendly pages using WML instead of the standard HTML markup language.

Browsing the web on phones was possible before modern smartphones, but it wasn’t easy. Credit: James Cridland (Flickr)

But despite their popularity with business users, these phones never broke into the mainstream. That all changed in 2007 when Steve Jobs got on stage and announced the iPhone. Now, every webpage could be viewed natively on the phone’s browser, and zooming into a section was as easy as pinching or double-tapping. The one exception was Flash, but a new HTML 5 standard promised to standardize advanced web features like animation and video playback.

Google quickly changed its Android prototype from a Blackberry clone to something more closely resembling the iPhone. Android’s open licensing structure allowed companies around the world to produce inexpensive smartphones. Even mid-range phones were still much cheaper than computers. This technology allowed, for the first time, the entire world to become connected through the Internet.

The exploding market of phone users also propelled the massive growth of social media companies like Facebook and Twitter. It was a lot easier now to snap a picture of a live event with your phone and post it instantly to the world. Optimists pointed to the remarkable events of the Arab Spring protests as proof that the Internet could help spread democracy and freedom. But governments around the world were just as eager to use these new tools, except their goals leaned more toward control and crushing dissent.

The backlash

Technology has always been a double-edged sword. But in recent years, public opinion about the Internet has shifted from being mostly positive to increasingly negative.

The combination of mobile phones, social media algorithms, and infinite scrolling led to the phenomenon of “doomscrolling,” where people spend hours every day reading “news” that is tuned for maximum engagement by provoking as many people as possible. The emotional toil caused by doomscrolling has been shown to cause real harm. Even more serious is the fallout from misinformation and hate speech, like the genocide in Myanmar that an Amnesty International report claims was amplified on Facebook.

As companies like Google, Amazon, and Facebook grew into near-monopolies, they inevitably lost sight of their original mission in favor of a never-ending quest for more money. The process, dubbed enshittification by Cory Doctorow, shifts the focus first from users to advertisers and then to shareholders.

Chasing these profits has fueled the rise of generative AI, which threatens to turn the entire Internet into a sea of soulless gray soup. Google is now forcing AI summaries at the top of web searches, which reduce traffic to websites and often provide dangerous misinformation. But even if you ignore the AI summaries, the sites you find underneath may also be suspect. Once-trusted websites have laid off staff and replaced them with AI, generating an endless series of new articles written by nobody. A web where AIs comment on AI-generated Facebook posts that link to AI-generated articles, which are then AI-summarized by Google, seems inhuman and pointless.

A search for cute baby peacocks on Bing. Some of them are real, and some aren’t. Credit: Jeremy Reimer

Where from here?

The history of the Internet can be roughly divided into three phases. The first, from 1969 to 1990, was all about the inventors: people like Vint Cerf, Steve Crocker, and Robert Taylor. These folks were part of a small group of computer scientists who figured out how to get different types of computers to talk to each other and to other networks.

The next phase, from 1991 to 1999, was a whirlwind that was fueled by entrepreneurs, people like Jerry Yang and Jeff Bezos. They latched on to Tim Berners-Lee’s invention of the World Wide Web and created companies that lived entirely in this new digital landscape. This set off a manic phase of exponential growth and hype, which peaked in early 2001 and crashed a few months later.

The final phase, from 2000 through today, has primarily been about the users. New companies like Google and Facebook may have reaped the greatest financial rewards during this time, but none of their successes would have been possible without the contributions of ordinary people like you and me. Every time we typed something into a text box and hit the “Submit” button, we created a tiny piece of a giant web of content. Even the generative AIs that pretend to make new things today are merely regurgitating words, phrases, and pictures that were created and shared by people.

There is a growing sense of nostalgia today for the old Internet, when it felt like a place, and the joy of discovery was around every corner. “Using the old Internet felt like digging for treasure,” said YouTube commenter MySoftCrow. “Using the current Internet feels like getting buried alive.”

Ars community member MichaelHurd added his own thoughts: “I feel the same way. It feels to me like the core problem with the modern Internet is that websites want you to stay on them for as long as possible, but the World Wide Web is at its best when sites connect to each other and encourage people to move between them. That’s what hyperlinks are for!”

Despite all the doom surrounding the modern Internet, it remains largely open. Anyone can pay about $5 per month for a shared Linux server and create a personal website containing anything they can think of, using any software they like, even their own. And for the most part, anyone, on any device, anywhere in the world, can access that website.

Ultimately, the fate of the Internet depends on the actions of every one of us. That’s why I’m leaving the final words in this series of articles to you. What would your dream Internet of the future look and feel like? The comments section is open.

Photo of Jeremy Reimer

I’m a writer and web developer. I specialize in the obscure and beautiful, like the Amiga and newLISP.

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after-kirk-shooting,-utah-governor-calls-social-media-a-“cancer.”-will-we-treat-it-like-one?

After Kirk shooting, Utah governor calls social media a “cancer.” Will we treat it like one?

This is an extremely online style of writing—cryptic, meme-driven, and jokey even about serious or disturbing issues. Was the alleged shooter helped toward his act of violence by the communities he was in online? And are millions of Internet users helping or hurting their own moral and civic identities by watching detailed video of the murder, which was immediately shared on social media?

As his press conference wrapped up, Cox made a plea for everyone to follow Kirk’s tweeted advice (which he cited). He said that “we are not wired as human beings—biologically, historically—we have not evolved in a way that we are capable of processing those types of violent imagery… This is not good for us. It is not good to consume.”

And he added that “social media is a cancer on our society right now. I would encourage people to log off, turn off, touch grass, hug a family member, go out and do good in your community.”

This could have been useful to Extremely Online People like the alleged shooter, who was turned in by some of his own family members and who might have been dissuaded from his actions had he engaged more directly with them. (Of course, simplistic advice like this is often wrong; difficult family members and broken relationships might mean that in-person connection is also unhelpful for some.)

It might also be good advice for the kinds of Extremely Online People who lead the country by posting social media threats to unleash the “Department of War” upon Chicago, shown burning in the background.

Treating cancer

At its heart, though, Cox raises a question about whether social media is 1) a powerful force capable of both great good and terrible incitement and misinformation, or whether it is 2) a mere cancer.

I assume Ars readers are divided on this question, given that the Ars staff itself has differing views. One can point, of course, to the successes: The powerless can call out the lies of the powerful, they can gin up “color revolutions” to topple dictators, and they can publish their views with an ease and at a cost that not even the printing press—itself an extremely disruptive technology—could manage. On the flip side, of course, is all the “cancer”: the floods of misinformation and bile, the yelling, the “cancel culture,” the virtue signaling, the scams and hoaxes, the ethnic nationalism, the casual sharing of both gore and pornography, the buffoonish natures of the tech overlords who run too many of these services, and that feeling you get when you log in to Facebook and realize with a shock that your aunt is a closet racist.

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reddit-bug-caused-lesbian-subreddit-to-be-labeled-as-a-place-for-“straight”-women

Reddit bug caused lesbian subreddit to be labeled as a place for “straight” women

Explaining further to Ars, Reddit spokesperson Tim Rathschmidt said:

There was a small bug in a test we ran that mistakenly caused the English-to-English translation(s) you saw. That bug has been resolved. Unsurprisingly, English-to-English translations are not part of our strategy, as they aren’t necessary. English-to-English translations were not a desired or expected outcome of the test.

Reddit pulled the test it was running, but its machine learning-powered translations are still functioning, Rathschmidt said. The company plans to fix the bug and run its unspecified “test” again.

Reddit’s explanation differs from user theories floating around beforehand, which were mainly that Reddit was rewriting user-created summaries with generative AI, possibly to boost SEO. Some may still be perturbed by the problem persisting for weeks without explanation and the apparent lack of manual checks for the translation service. However, Redditors can now take comfort in knowing that Reddit is not currently using generative AI to alter user-generated content without notice.

Paige_Railstone, however, maintains frustration and wants to tell Reddit admins, “STOP. Hand off.” The translation bug, they noted, led to people posting on a subreddit for parents with autism that their child might be autistic, “and how terrible that would be for them,” Paige_Railstone recalled.

“These are the kind of unintentionally insulting posts that drive autistics into leaving a community, and it increases the workload of us moderators,” they said.

Paige_Railstone also sees the incident as a reason for moderators to be more cautious.

“This never used to be a concern, but this translation service was rolled out without any notification that I’m aware of, and no option to disable it within the mods’ control. That has the potential to cause problems, as we’ve seen over the past two weeks,” they said.

Disclosure: Advance Publications, which owns Ars Technica parent Condé Nast, is the largest shareholder in Reddit.

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bluesky-now-platform-of-choice-for-science-community

Bluesky now platform of choice for science community


It’s not just you. Survey says: “Twitter sucks now and all the cool kids are moving to Bluesky”

Credit: Getty Images | Chris Delmas

Marine biologist and conservationist David Shiffman was an early power user and evangelist for science engagement on the social media platform formerly known as Twitter. Over the years, he trained more than 2,000 early career scientists on how to best use the platform for professional goals: networking with colleagues, sharing new scientific papers, and communicating with interested members of the public.

But when Elon Musk bought Twitter in 2022, renaming it X, changes to both the platform’s algorithm and moderation policy soured Shiffman on the social media site. He started looking for a viable alternative among the fledgling platforms that had begun to pop up: most notably Threads, Post, Mastodon, and Bluesky. He was among the first wave of scientists to join Bluesky and found that, even in its infancy, it had many of the features he had valued in “golden age” Twitter.

Shiffman also noticed that he wasn’t the only one in the scientific community having issues with Twitter. This impression was further bolstered by news stories in outlets like Nature, Science, and the Chronicle of Higher Education noting growing complaints about Twitter and increased migration over to Bluesky by science professionals. (Full disclosure: I joined Bluesky around the same time as Shiffman, for similar reasons: Twitter had ceased to be professionally useful, and many of the science types I’d been following were moving to Bluesky. I nuked my Twitter account in November 2024.)

A curious Shiffman decided to conduct a scientific survey, announcing the results in a new paper published in the journal Integrative and Comparative Biology. The findings confirm that, while Twitter was once the platform of choice for a majority of science communicators, those same people have since abandoned it in droves. And of the alternatives available, Bluesky seems to be their new platform of choice.

Shiffman, the author of Why Sharks Matter, described early Twitter recently on the blog Southern Fried Science as “the world’s most interesting cocktail party.”

“Then it stopped being useful,” Shiffman told Ars. “I was worried for a while that this incredibly powerful way of changing the world using expertise was gone. It’s not gone. It just moved. It’s a little different now, and it’s not as powerful as it was, but it’s not gone. It was for me personally, immensely reassuring that so many other people were having the same experience that I was. But it was also important to document that scientifically.”

Eager to gather solid data on the migration phenomenon to bolster his anecdotal observations, Shiffman turned to social scientist Julia Wester, one of the scientists who had joined Twitter at Shiffman’s encouragement years before, before also becoming fed up and migrating to Bluesky. Despite being “much less online” than the indefatigable Shiffman, Wester was intrigued by the proposition. “I was interested not just in the anecdotal evidence, the conversations we were having, but also in identifying the real patterns,” she told Ars. “As a social scientist, when we hear anecdotal evidence about people’s experiences, I want to know what that looks like across the population.”

Shiffman and Wester targeted scientists, science communicators, and science educators who used (or had used) both Twitter and Bluesky. Questions explored user attitudes toward, and experiences with, each platform in a professional capacity: when they joined, respective follower and post counts, which professional tasks they used each platform for, the usefulness of each platform for those purposes relative to 2021, how they first heard about Bluesky, and so forth.

The authors acknowledge that they are looking at a very specific demographic among social media users in general and that there is an inevitable self-selection effect. However, “You want to use the sample and the method that’s appropriate to the phenomenon that you’re looking at,” said Wester. “For us, it wasn’t just the experience of people using these platforms, but the phenomenon of migration. Why are people deciding to stay or move? How they’re deciding to use both of these platforms? For that, I think we did get a pretty decent sample for looking at the dynamic tensions, the push and pull between staying on one platform or opting for another.”

They ended up with a final sample size of 813 people. Over 90 percent of respondents said they had used Twitter for learning about new developments in their field; 85.5 percent for professional networking; and 77.3 percent for public outreach. Roughly three-quarters of respondents said that the platform had become significantly less useful for each of those professional uses since Musk took over. Nearly half still have Twitter accounts but use it much less frequently or not at all, while about 40 percent have deleted their accounts entirely in favor of Bluesky.

Making the switch

User complaints about Twitter included a noticeable increase in spam, porn, bots, and promoted posts from users who paid for a verification badge, many spreading extremist content. “I very quickly saw material that I did not want my posts to be posted next to or associated with,” one respondent commented. There were also complaints about the rise in misinformation and a significant decline in both the quantity and quality of engagement, with respondents describing their experiences as “unpleasant,” “negative,” or “hostile.”

The survey responses also revealed a clear push/pull dynamic when it came to the choice to abandon Twitter for Bluesky. That is, people felt they were being pushed away from Twitter and were actively looking for alternatives. As one respondent put it, “Twitter started to suck and all the cool people were moving to Bluesky.”

Bluesky was user-friendly with no algorithm, a familiar format, and helpful tools like starter packs of who to follow in specific fields, which made the switch a bit easier for many newcomers daunted by the prospect of rebuilding their online audience. Bluesky users also appreciated the moderation on the platform and having the ability to block or mute people as a means of disengaging from more aggressive, unpleasant conversations. That said, “If Twitter was still great, then I don’t think there’s any combination of features that would’ve made this many people so excited about switching,” said Shiffman.

Per Shiffman and Wester, an “overwhelming majority” of respondents said that Bluesky has a “vibrant and healthy online science community,” while Twitter no longer does. And many Bluesky users reported getting more bang for their buck, so to speak, on Bluesky. They might have a lower follower count, but those followers are far more engaged: Someone with 50,000 Twitter/X followers, for example, might get five likes on a given post; but on Bluesky, they may only have 5,000 followers, but their posts will get 100 likes.

According to Shiffman, Twitter always used to be in the top three in terms of referral traffic for posts on Southern Fried Science. Then came the “Muskification,” and suddenly Twitter referrals weren’t even cracking the top 10. By contrast, in 2025 thus far, Bluesky has driven “a hundred times as many page views” to Southern Fried Science as Twitter. Ironically, “the blog post that’s gotten the most page views from Twitter is the one about this paper,” said Shiffman.

Ars social media manager Connor McInerney confirmed that Ars Technica has also seen a steady dip in Twitter referral traffic thus far in 2025. Furthermore, “I can say anecdotally that over the summer we’ve seen our Bluesky traffic start to surpass our Twitter traffic for the first time,” McInerney said, attributing the growth to a combination of factors. “We’ve been posting to the platform more often and our audience there has grown significantly. By my estimate our audience has grown by 63 percent since January. The platform in general has grown a lot too—they had 10 million users in September of last year, and this month the latest numbers indicate they’re at 38 million users. Conversely, our Twitter audience has remained fairly static across the same period of time.”

Bubble, schmubble

As for scientists looking to share scholarly papers online, Shiffman pulled the Altmetrics stats for his and Wester’s new paper. “It’s already one of the 10 most shared papers in the history of that journal on social media,” he said, with 14 shares on Twitter/X vs over a thousand shares on Bluesky (as of 4 pm ET on August 20). “If the goal is showing there’s a more active academic scholarly conversation on Bluesky—I mean, damn,” he said.

“When I talk about fish on Bluesky, people ask me questions about fish. When I talk about fish on Twitter, people threaten to murder my family because we’re Jewish.”

And while there has been a steady drumbeat of op-eds of late in certain legacy media outlets accusing Bluesky of being trapped in its own liberal bubble, Shiffman, for one, has few concerns about that. “I don’t care about this, because I don’t use social media to argue with strangers about politics,” he wrote in his accompanying blog post. “I use social media to talk about fish. When I talk about fish on Bluesky, people ask me questions about fish. When I talk about fish on Twitter, people threaten to murder my family because we’re Jewish.” He compared the current incarnation of Twitter as no better than 4Chan or TruthSocial in terms of the percentage of “conspiracy-prone extremists” in the audience. “Even if you want to stay, the algorithm is working against you,” he wrote.

“There have been a lot of opinion pieces about why Bluesky is not useful because the people there tend to be relatively left-leaning,” Shiffman told Ars. “I haven’t seen any of those same people say that Twitter is bad because it’s relatively right-leaning. Twitter is not a representative sample of the public either.” And given his focus on ocean conservation and science-based, data-driven environmental advocacy, he is likely to find a more engaged and persuadable audience at Bluesky.

The survey results show that at this point, Bluesky seems to have hit a critical mass for the online scientific community. That said, Shiffman, for one, laments that the powerful Black Science Twitter contingent, for example, has thus far not switched to Bluesky in significant numbers. He would like to conduct a follow-up study to look into how many still use Twitter vs those who may have left social media altogether, as well as Bluesky’s demographic diversity—paving the way for possible solutions should that data reveal an unwelcoming environment for non-white scientists.

There are certainly limitations to the present survey. “Because this is such a dynamic system and it’s changing every day, I think if we did this study now versus when we did it six months ago, we’d get slightly different answers and dynamics,” said Wester. “It’s still relevant because you can look at the factors that make people decide to stay or not on Bluesky, to switch to something else, to leave social media altogether. That can tell us something about what makes a healthy, vibrant conversation online. We’re capturing one of the responses: ‘I’ll see you on Bluesky.’ But that’s not the only response. Public science communication is as important now as it’s ever been, so looking at how scientists have pivoted is really important.”

We recently reported on research indicating that social media as a system might well be doomed, since its very structure gives rise to the toxic dynamics that plague so much of social media: filter bubbles, algorithms that amplify the most extreme views to boost engagement, and a small number of influencers hogging the lion’s share of attention. That paper concluded that any intervention strategies were likely to fail. Both Shiffman and Wester, while acknowledging the reality of those dynamics, are less pessimistic about social media’s future.

“I think the problem is not with how social media works, it’s with how any group of people work,” said Shiffman. “Humans evolved in tiny social groupings where we helped each other and looked out for each other’s interests. Now I have to have a fight with someone 10,000 miles away who has no common interest with me about whether or not vaccines are bad. We were not built for that. Social media definitely makes it a lot easier for people who are anti-social by nature and want to stir conflict to find those conflicts. Something that took me way too long to learn is that you don’t have to participate in every fight you’re invited to. There are people who are looking for a fight and you can simply say, ‘No, thank you. Not today, Satan.'”

“The contrast that people are seeing between Bluesky and present-day Twitter highlights that these are social spaces, which means that you’re going to get all of the good and bad of humanity entering into that space,” said Wester. “But we have had new social spaces evolve over our whole history. Sometimes when there’s something really new, we have to figure out the rules for that space. We’re still figuring out the rules for these social media spaces. The contrast in moderation policies and the use (or not) of algorithms between those two platforms that are otherwise very similar in structure really highlights that you can shape those social spaces by creating rules and tools for how people interact with each other.”

DOI: Integrative and Comparative Biology, 2025. 10.1093/icb/icaf127  (About DOIs).

Photo of Jennifer Ouellette

Jennifer is a senior writer at Ars Technica with a particular focus on where science meets culture, covering everything from physics and related interdisciplinary topics to her favorite films and TV series. Jennifer lives in Baltimore with her spouse, physicist Sean M. Carroll, and their two cats, Ariel and Caliban.

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study:-social-media-probably-can’t-be-fixed

Study: Social media probably can’t be fixed


“The [structural] mechanism producing these problematic outcomes is really robust and hard to resolve.”

Credit: Aurich Lawson | Getty Images

Credit: Aurich Lawson | Getty Images

It’s no secret that much of social media has become profoundly dysfunctional. Rather than bringing us together into one utopian public square and fostering a healthy exchange of ideas, these platforms too often create filter bubbles or echo chambers. A small number of high-profile users garner the lion’s share of attention and influence, and the algorithms designed to maximize engagement end up merely amplifying outrage and conflict, ensuring the dominance of the loudest and most extreme users—thereby increasing polarization even more.

Numerous platform-level intervention strategies have been proposed to combat these issues, but according to a preprint posted to the physics arXiv, none of them are likely to be effective. And it’s not the fault of much-hated algorithms, non-chronological feeds, or our human proclivity for seeking out negativity. Rather, the dynamics that give rise to all those negative outcomes are structurally embedded in the very architecture of social media. So we’re probably doomed to endless toxic feedback loops unless someone hits upon a brilliant fundamental redesign that manages to change those dynamics.

Co-authors Petter Törnberg and Maik Larooij of the University of Amsterdam wanted to learn more about the mechanisms that give rise to the worst aspects of social media: the partisan echo chambers, the concentration of influence among a small group of elite users (attention inequality), and the amplification of the most extreme divisive voices. So they combined standard agent-based modeling with large language models (LLMs), essentially creating little AI personas to simulate online social media behavior. “What we found is that we didn’t need to put any algorithms in, we didn’t need to massage the model,” Törnberg told Ars. “It just came out of the baseline model, all of these dynamics.”

They then tested six different intervention strategies social scientists have been proposed to counter those effects: switching to chronological or randomized feeds; inverting engagement-optimization algorithms to reduce the visibility of highly reposted sensational content; boosting the diversity of viewpoints to broaden users’ exposure to opposing political views; using “bridging algorithms” to elevate content that fosters mutual understanding rather than emotional provocation; hiding social statistics like reposts and follower accounts to reduce social influence cues; and removing biographies to limit exposure to identity-based signals.

The results were far from encouraging. Only some interventions showed modest improvements. None were able to fully disrupt the fundamental mechanisms producing the dysfunctional effects. In fact, some interventions actually made the problems worse. For example, chronological ordering had the strongest effect on reducing attention inequality, but there was a tradeoff: It also intensified the amplification of extreme content. Bridging algorithms significantly weakened the link between partisanship and engagement and modestly improved viewpoint diversity, but it also increased attention inequality. Boosting viewpoint diversity had no significant impact at all.

So is there any hope of finding effective intervention strategies to combat these problematic aspects of social media? Or should we nuke our social media accounts altogether and go live in caves? Ars caught up with Törnberg for an extended conversation to learn more about these troubling findings.

Ars Technica: What drove you to conduct this study?

Petter Törnberg: For the last 20 years or so, there has been a ton of research on how social media is reshaping politics in different ways, almost always using observational data. But in the last few years, there’s been a growing appetite for moving beyond just complaining about these things and trying to see how we can be a bit more constructive. Can we identify how to improve social media and create online spaces that are actually living up to those early promises of providing a public sphere where we can deliberate and debate politics in a constructive way?

The problem with using observational data is that it’s very hard to test counterfactuals to implement alternative solutions. So one kind of method that has existed in the field is agent-based simulations and social simulations: create a computer model of the system and then run experiments on that and test counterfactuals. It is useful for looking at the structure and emergence of network dynamics.

But at the same time, those models represent agents as simple rule followers or optimizers, and that doesn’t capture anything of the cultural world or politics or human behavior. I’ve always been of the controversial opinion that those things actually matter,  especially for online politics. We need to study both the structural dynamics of network formations and the patterns of cultural interaction.

Ars Technica: So you developed this hybrid model that combines LLMs with agent-based modeling.

Petter Törnberg: That’s the solution that we find to move beyond the problems of conventional agent-based modeling. Instead of having this simple rule of followers or optimizers, we use AI or LLMs. It’s not a perfect solution—there’s all kind of biases and limitations—but it does represent a step forward compared to a list of if/then rules. It does have something more of capturing human behavior in a more plausible way. We give them personas that we get from the American National Election Survey, which has very detailed questions about US voters and their hobbies and preferences. And then we turn that into a textual persona—your name is Bob, you’re from Massachusetts, and you like fishing—just to give them something to talk about and a little bit richer representation.

And then they see the random news of the day, and they can choose to post the news, read posts from other users, repost them, or they can choose to follow users. If they choose to follow users, they look at their previous messages, look at their user profile.

Our idea was to start with the minimal bare-bones model and then add things to try to see if we could reproduce these problematic consequences. But to our surprise, we actually didn’t have to add anything because these problematic consequences just came out of the bare bones model. This went against our expectations and also what I think the literature would say.

Ars Technica: I’m skeptical of AI in general, particularly in a research context, but there are very specific instances where it can be extremely useful. This strikes me as one of them, largely because your basic model proved to be so robust. You got the same dynamics without introducing anything extra.

Petter Törnberg: Yes. It’s been a big conversation in social science over the last two years or so. There’s a ton of interest in using LLMs for social simulation, but no one has really figured out for what or how it’s going to be helpful, or how we’re going to get past these problems of validity and so on. The kind of approach that we take in this paper is building on a tradition of complex systems thinking. We imagine very simple models of the human world and try to capture very fundamental mechanisms. It’s not really aiming to be realistic or a precise, complete model of human behavior.

I’ve been one of the more critical people of this method, to be honest. At the same time, it’s hard to imagine any other way of studying these kinds of dynamics where we have cultural and structural aspects feeding back into each other. But I still have to take the findings with a grain of salt and realize that these are models, and they’re capturing a kind of hypothetical world—a spherical cow in a vacuum. We can’t predict what someone is going to have for lunch on Tuesday, but we can capture broader mechanisms, and we can see how robust those mechanisms are. We can see whether they’re stable, unstable, which conditions they emerge in, and the general boundaries. And in this case, we found a mechanism that seems to be very robust, unfortunately.

Ars Technica: The dream was that social media would help revitalize the public sphere and support the kind of constructive political dialogue that your paper deems “vital to democratic life.” That largely hasn’t happened. What are the primary negative unexpected consequences that have emerged from social media platforms?

Petter Törnberg: First, you have echo chambers or filter bubbles. The risk of broad agreement is that if you want to have a functioning political conversation, functioning deliberation, you do need to do that across the partisan divide. If you’re only having a conversation with people who already agree with each other, that’s not enough. There’s debate on how widespread echo chambers are online, but it is quite established that there are a lot of spaces online that aren’t very constructive because there’s only people from one political side. So that’s one ingredient that you need. You need to have a diversity of opinion, a diversity of perspective.

The second one is that the deliberation needs to be among equals; people need to have more or less the same influence in the conversation. It can’t be completely controlled by a small, elite group of users. This is also something that people have pointed to on social media: It has a tendency of creating these influencers because attention attracts attention. And then you have a breakdown of conversation among equals.

The final one is what I call (based on Chris Bail’s book) the social media prism. The more extreme users tend to get more attention online. This is often discussed in relation to engagement algorithms, which tend to identify the type of content that most upsets us and then boost that content. I refer to it as a “trigger bubble” instead of the filter bubble. They’re trying to trigger us as a way of making us engage more so they can extract our data and keep our attention.

Ars Technica: Your conclusion is that there’s something within the structural dynamics of the network itself that’s to blame—something fundamental to the construction of social networks that makes these extremely difficult problems to solve.

Petter Törnberg: Exactly. It comes from the fact that we’re using these AI models to capture a richer representation of human behavior, which allows us to see something that wouldn’t really be possible using conventional agent-based modeling. There have been previous models looking at the growth of social networks on social media. People choose to retweet or not, and we know that action tends to be very reactive. We tend to be very emotional in that choice. And it tends to be a highly partisan and polarized type of action. You hit retweet when you see someone being angry about something, or doing something horrific, and then you share that. It’s well-known that this leads to toxic, more polarized content spreading more.

But what we find is that it’s not just that this content spreads; it also shapes the network structures that are formed. So there’s feedback between the effective emotional action of choosing to retweet something and the network structure that emerges. And then in turn, you have a network structure that feeds back what content you see, resulting in a toxic network. The definition of an online social network is that you have this kind of posting, reposting, and following dynamics. It’s quite fundamental to it. That alone seems to be enough to drive these negative outcomes.

Ars Technica: I was frankly surprised at the ineffectiveness of the various intervention strategies you tested. But it does seem to explain the Bluesky conundrum. Bluesky has no algorithm, for example, yet the same dynamics still seem to emerge. I think Bluesky’s founders genuinely want to avoid those dysfunctional issues, but they might not succeed, based on this paper. Why are such interventions so ineffective? 

Petter Törnberg: We’ve been discussing whether these things are due to the platforms doing evil things with algorithms or whether we as users are choosing that we want a bad environment. What we’re saying is that it doesn’t have to be either of those. This is often the unintended outcomes from interactions based on underlying rules. It’s not necessarily because the platforms are evil; it’s not necessarily because people want to be in toxic, horrible environments. It just follows from the structure that we’re providing.

We tested six different interventions. Google has been trying to make social media less toxic and recently released a newsfeed algorithm based on the content of the text. So that’s one example. We’re also trying to do more subtle interventions because often you can find a certain way of nudging the system so it switches over to healthier dynamics. Some of them have moderate or slightly positive effects on one of the attributes, but then they often have negative effects on another attribute, or they have no impact whatsoever.

I should say also that these are very extreme interventions in the sense that, if you depended on making money on your platform, you probably don’t want to implement them because it probably makes it really boring to use. It’s like showing the least influential users, the least retweeted messages on the platform. Even so, it doesn’t really make a difference in changing the basic outcomes. What we take from that is that the mechanism producing these problematic outcomes is really robust and hard to resolve given the basic structure of these platforms.

Ars Technica: So how might one go about building a successful social network that doesn’t have these problems? 

Petter Törnberg: There are several directions where you could imagine going, but there’s also the constraint of what is popular use. Think back to the early Internet, like ICQ. ICQ had this feature where you could just connect to a random person. I loved it when I was a kid. I would talk to random people all over the world. I was 12 in the countryside on a small island in Sweden, and I was talking to someone from Arizona, living a different life. I don’t know how successful that would be these days, the Internet having become a lot less innocent than it was.

For instance, we can focus on the question of inequality of attention, a very well-studied and robust feature of these networks. I personally thought we would be able to address it with our interventions, but attention draws attention, and this leads to a power law distribution, where 1 percent [of users] dominates the entire conversation. We know the conditions under which those power laws emerge. This is one of the main outcomes of social network dynamics: extreme inequality of attention.

But in social science, we always teach that everything is a normal distribution. The move from studying the conventional social world to studying the online social world means that you’re moving from these nice normal distributions to these horrible power law distributions. Those are the outcomes of having social networks where the probability of connecting to someone depends on how many previous connections they have. If we want to get rid of that, we probably have to move away from the social network model and have some kind of spatial model or group-based model that makes things a little bit more local, a little bit less globally interconnected.

Ars Technica: It sounds like you’d want to avoid those big influential nodes that play such a central role in a large, complex global network. 

Petter Törnberg: Exactly. I think that having those global networks and structures fundamentally undermines the possibility of the kind of conversations that political scientists and political theorists traditionally talked about when they were discussing in the public square. They were talking about social interaction in a coffee house or a tea house, or reading groups and so on. People thought the Internet was going to be precisely that. It’s very much not that. The dynamics are fundamentally different because of those structural differences. We shouldn’t expect to be able to get a coffee house deliberation structure when we have a global social network where everyone is connected to everyone. It is difficult to imagine a functional politics building on that.

Ars Technica: I want to come back to your comment on the power law distribution, how 1 percent of people dominate the conversation, because I think that is something that most users routinely forget. The horrible things we see people say on the Internet are not necessarily indicative of the vast majority of people in the world. 

Petter Törnberg: For sure. That is capturing two aspects. The first is the social media prism, where the perspective we get of politics when we see it through the lens of social media is fundamentally different from what politics actually is. It seems much more toxic, much more polarized. People seem a little bit crazier than they really are. It’s a very well-documented aspect of the rise of polarization: People have a false perception of the other side. Most people have fairly reasonable and fairly similar opinions. The actual polarization is lower than the perceived polarization. And that arguably is a result of social media, how it misrepresents politics.

And then we see this very small group of users that become very influential who often become highly visible as a result of being a little bit crazy and outrageous. Social media creates an incentive structure that is really central to reshaping not just how we see politics but also what politics is, which politicians become powerful and influential, because it is controlling the distribution of what is arguably the most valuable form of capital of our era: attention. Especially for politicians, being able to control attention is the most important thing. And since social media creates the conditions of who gets attention or not, it creates an incentive structure where certain personalities work better in a way that’s just fundamentally different from how it was in previous eras.

Ars Technica: There are those who have sworn off social media, but it seems like simply not participating isn’t really a solution, either.

Petter Törnberg: No. First, even if you only read, say, The New York Times, that newspaper is still reshaped by what works on social media, the social media logic. I had a student who did a little project this last year showing that as social media became more influential, the headlines of The New York Times became more clickbaity and adapted to the style of what worked on social media. So conventional media and our very culture is being transformed.

But more than that, as I was just saying, it’s the type of politicians, it’s the type of people who are empowered—it’s the entire culture. Those are the things that are being transformed by the power of the incentive structures of social media. It’s not like, “This is things that are happening in social media and this is the rest of the world.” It’s all entangled, and somehow social media has become the cultural engine that is shaping our politics and society in very fundamental ways. Unfortunately.

Ars Technica: I usually like to say that technological tools are fundamentally neutral and can be used for good or ill, but this time I’m not so sure. Is there any hope of finding a way to take the toxic and turn it into a net positive?

Petter Törnberg: What I would say to that is that we are at a crisis point with the rise of LLMs and AI. I have a hard time seeing the contemporary model of social media continuing to exist under the weight of LLMs and their capacity to mass-produce false information or information that optimizes these social network dynamics. We already see a lot of actors—based on this monetization of platforms like X—that are using AI to produce content that just seeks to maximize attention. So misinformation, often highly polarized information as AI models become more powerful, that content is going to take over. I have a hard time seeing the conventional social media models surviving that.

We’ve already seen the process of people retreating in part to credible brands and seeking to have gatekeepers. Young people, especially, are going into WhatsApp groups and other closed communities. Of course, there’s misinformation from social media leaking into those chats also. But these kinds of crisis points at least have the hope that we’ll see a changing situation. I wouldn’t bet that it’s a situation for the better. You wanted me to sound positive, so I tried my best. Maybe it’s actually “good riddance.”

Ars Technica: So let’s just blow up all the social media networks. It still won’t be better, but at least we’ll have different problems.

Petter Törnberg: Exactly. We’ll find a new ditch.

DOI: arXiv, 2025. 10.48550/arXiv.2508.03385  (About DOIs).

Photo of Jennifer Ouellette

Jennifer is a senior writer at Ars Technica with a particular focus on where science meets culture, covering everything from physics and related interdisciplinary topics to her favorite films and TV series. Jennifer lives in Baltimore with her spouse, physicist Sean M. Carroll, and their two cats, Ariel and Caliban.

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Toy company may regret coming for “Sylvanian Drama” TikToker, experts say


Possible legal paths to revive a shuttered video series on TikTok and Instagram.

A popular account on TikTok and Instagram stopped posting suddenly at the end of last year, hit by a lawsuit after garnering millions of views on funny videos it made using adorable children’s Calico Critter dolls to act out dark, cringe-y adult storylines.

While millions of followers mourn the so-called “Sylvanian Drama” account’s demise, experts told Ars that the creator may have a decent chance at beating the lawsuit.

The “Sylvanian Drama” account derived its name from “Sylvanian Families,” a brand name used by Epoch Company Ltd., the maker of Calico Critters, for its iconic fuzzy animal dolls in some markets outside the US. Despite these videos referencing murder, drugs, and hookups, the toy company apparently had no problem, until the account, managed by Ireland-based Thea Von Engelbrechten, started accepting big brand partnerships and making sponsored content featuring the dolls.

Since Epoch, too, strikes partnerships with brands and influencers to promote its own videos marketing the dolls, the company claimed “Sylvanian Drama” risked creating too much confusion online. They also worried viewers would think Epoch had signed off on the videos, since the sponsored content was marked “paid partnership” without specifying precisely which featured brands had paid for the spots. They further accused Von Engelbrechten of building her advertising business around their brand without any attempt to properly license the dolls, while allegedly usurping licensing opportunities from Epoch.

So far, Von Engelbrechten has delayed responding in the lawsuit. As the account remained inactive over the past few months, fans speculated whether it could survive the lawsuit, which raised copyright and trademark infringement claims to get all the videos removed. In their complaint, the toy company requested not only an injunction preventing Von Engelbrechten from creating more “Sylvanian Drama” videos, but also sought all of her profits from her online accounts, in addition to further damages.

Von Engelbrechten declined Ars’ request to provide an update on her defense in the case, but her response is due in early August. That filing will make clear what arguments she may make to overcome Epoch’s suit, but legal experts told Ars that the case isn’t necessarily a slam dunk for the toy company. So all that “Sylvanian Drama” isn’t over just yet.

Epoch’s lawyers did not respond to Ars’ request to comment.

“Sylvanian Drama” needs the court to get the joke

Epoch raised copyright infringement charges that could hit Von Engelbrechten with fines totaling $150,000 per violation.

For Von Engelbrechten to defeat the copyright infringement claim, she’ll need to convince the court that her videos are parodies. A law professor at Santa Clara University School of Law, Eric Goldman, told Ars that her videos may qualify since “even if they don’t expressly reference Epoch’s offerings by name, the videos intentionally communicate a jarring juxtaposition of adorable critters who are important parts of pop culture living through the darker sides of humanity.”

Basically, Von Engelbrechten will need the court to understand the humor in her videos to win on that claim, Rebecca Tushnet, a First Amendment law professor at Harvard Law School, told Ars.

“Courts have varied in their treatment of parodies; the complaint’s definition of parody is not controlling but humor is one of the hardest things to predict—if the court gets the joke, it will be more likely to say that the juxtaposition between the storylines and the innocent appearance of the dolls is parodic,” Tushnet said.

But if the court does get the joke, Goldman suggested that even the sponsored content—which hilariously incorporates product placements from various big brands like Marc Jacobs, Taco Bell, Hilton, and Sephora into storylines—could possibly be characterized as parody.

However, “the fact that the social media posts were labeled #ad will make it extremely difficult for the artist to contest the videos’ status as ads,” Goldman said.

Ultimately, Goldman said that Epoch’s lawsuit “raises a host of complex legal issues” and is “not an easy case on either side.”

And one of the most significant issues that Epoch may face in the courtroom could end up gutting all of its trademark infringement claims that supposedly entitle the toy company to all of Von Engelbrechten’s profits, Alexandra Jane Roberts, a Northeastern University professor of law and media with special expertise in trademark law, told Ars.

Calico Critters may stumble on trademark hurdle

The toy company has raised several trademark infringement claims, all of which depend on Epoch proving that Von Engelbrechten “knowingly and willfully” used its trademarks without permission.

However, Roberts pointed out to Ars that Epoch has no trademarks for its iconic dolls, relying only on common law to assert sole rights to the “look and design of the critters.”

It’s likely impossible for Epoch to trademark the dolls, since trademarks are not intended to block competition, and there are only so many ways to design cute dolls that resemble cats or bunnies, Roberts suggested. A court may decide “there’s only so many ways to make a small fuzzy bunny that doesn’t look like this,” potentially narrowing the rights Epoch has under trade dress, a term that Epoch doesn’t use once in its complaint.

Roberts told Ars that Epoch’s trademark claims are “not so far off the mark,” and Von Engelbrechten’s defense was certainly not strengthened by her decision to monetize the content. Prior cases, like the indie band OK Go sending a cease-and-desist to Post cereal over a breakfast product called “OK Go” due to fears of false endorsement, make it clear that courts have agreed in the past that online collaborations have muddied the waters regarding who is the actual source of content for viewers.

“The question becomes whether people are going to see these videos, even though they’re snarky, and even though they’re silly and think, ‘Oh, Calico Critters must have signed off on this,'” Roberts said. “So the argument about consumer confusion, I think, is a plausible argument.”

However, if Epoch fails to convince the court that its trademarks have been infringed, then its other claims alleging false endorsement and unfair competition would likely also collapse.

“You can still get sometimes to unfair competition or to kind of like a false endorsement, but it’s harder to win on those claims and certainly harder to get damages on those claims,” Roberts said. “You don’t get trademark infringement if you don’t have a trademark.”

Possible defenses to keep “Sylvanian Drama” alive

Winning on the trademark claims may not be easy for Von Engelbrechten, who possibly weakened her First Amendment defense by creating the sponsored content. Regardless, she will likely try to convince the court to view the videos as parody, which is a slightly different analysis under trademark law than copyright’s more well-known fair use parody exceptions.

That could be a struggle, since trademark law requires that Von Engelbrechten’s parody videos directly satirize the “Sylvanian Families” brand, and “Sylvanian Drama” videos, even the ads, instead seem to be “making fun of elements of society and culture,” rather than the dolls themselves, Roberts said.

She pointed to winning cases involving the Barbie trademark as an instructive example. In a case disputing Mattel trademarks used in the lyrics for the one-hit wonder “Barbie Girl,” the song was cleared for trademark infringement as a “purely expressive work” that directly parodies Barbie in the lyrics. And in another case, where an artist, Tom Forsythe, captured photos of Barbie dolls in kitchen vessels like a blender or a margarita glass, more robust First Amendment protection was offered since his photos “had a lot to say about sexism and the dolls and what the dolls represent,” Roberts said.

The potential “Sylvanian Drama” defense seems to lack strong go-to arguments that typically win trademark cases, but Roberts said there is still one other defense the content creator may be weighing.

Under “nominative fair use,” it’s OK to use another company’s trademark if it’s necessary in an ad. Roberts provided examples, like a company renting Lexus cars needing to use that trademark or comparative advertising using Tiffany’s diamonds as a reference point to hype their lower prices.

If Von Engelbrechten goes that route, she will need to prove she used “no more of the mark than is necessary” and did not mislead fans on whether Epoch signed off on the use.

“Here it’s hard to say that ‘Sylvanian Drama’ really needed to use so much of those characters and that they didn’t use more than they needed and that they weren’t misleading,” Roberts said.

However, Von Engelbrechten’s best bet might be arguing that there was no confusion, since “Sylvanian Families” isn’t even a brand that’s used in the US, which is where Epoch chose to file its lawsuit because the brands that partnered with the popular account are based in New York. And the case may not even get that far, Roberts suggested, since “before you can get to those questions about the likelihood of confusion, you have to show that you actually have trademark or trade dress rights to enforce.”

Calico Critters creator may face millennial backlash

Epoch may come to regret filing the lawsuit, Roberts said, noting that as a millennial who grew up a big “Hello Kitty” fan, she still buys merch that appeals to her, and Epoch likely knows about that market, as it has done collaborations with the “Hello Kitty” brand. The toymaker could risk alienating other millennials nostalgic for Calico Critters who may be among the “Sylvanian Drama” audience and feel turned off by the lawsuit.

“When you draw attention to something like this and appear litigious, and that you’re coming after a creator who a lot of people really like and really enjoy and probably feel defensive about, like, ‘Oh, she’s just making these funny videos that everyone loves. Why would you want to sue her?'” Roberts said, “that can be really bad press.”

Goldman suggested that Epoch might be better off striking a deal with the creator, which “could establish some boundaries for the artist to keep going without stepping on the IP owner’s rights.” But he noted that “often IP owners in these situations are not open to negotiation,” and “that requires courts to draw difficult and unpredictable lines about the permissible scope of fair use.”

For Von Engelbrechten, the lawsuit may mean that her days of creating “Sylvanian Drama”-sponsored content are over, which could risk crushing a bigger dream she had to succeed in advertising. However, if the lawsuit can be amicably settled, the beloved content creator could also end up making money for Epoch, considering her brand deals appeared to be bigger.

While she seems to take her advertising business seriously, Von Engelbrechten’s videos often joke about legal consequences, such as one where a cat doll says she cannot go to a party because she’s in jail but says “I’ll figure it out” when told her ex will be attending. Perhaps Von Engelbrechten is currently devising a scheme, like her characters, to escape consequences and keep the “Sylvanian Drama” going.

“Maybe if this company were really smart, they would want to hire this person instead of suing them,” Roberts said.

Photo of Ashley Belanger

Ashley is a senior policy reporter for Ars Technica, dedicated to tracking social impacts of emerging policies and new technologies. She is a Chicago-based journalist with 20 years of experience.

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Everything that could go wrong with X’s new AI-written community notes


X says AI can supercharge community notes, but that comes with obvious risks.

Elon Musk’s X arguably revolutionized social media fact-checking by rolling out “community notes,” which created a system to crowdsource diverse views on whether certain X posts were trustworthy or not.

But now, the platform plans to allow AI to write community notes, and that could potentially ruin whatever trust X users had in the fact-checking system—which X has fully acknowledged.

In a research paper, X described the initiative as an “upgrade” while explaining everything that could possibly go wrong with AI-written community notes.

In an ideal world, X described AI agents that speed up and increase the number of community notes added to incorrect posts, ramping up fact-checking efforts platform-wide. Each AI-written note will be rated by a human reviewer, providing feedback that makes the AI agent better at writing notes the longer this feedback loop cycles. As the AI agents get better at writing notes, that leaves human reviewers to focus on more nuanced fact-checking that AI cannot quickly address, such as posts requiring niche expertise or social awareness. Together, the human and AI reviewers, if all goes well, could transform not just X’s fact-checking, X’s paper suggested, but also potentially provide “a blueprint for a new form of human-AI collaboration in the production of public knowledge.”

Among key questions that remain, however, is a big one: X isn’t sure if AI-written notes will be as accurate as notes written by humans. Complicating that further, it seems likely that AI agents could generate “persuasive but inaccurate notes,” which human raters might rate as helpful since AI is “exceptionally skilled at crafting persuasive, emotionally resonant, and seemingly neutral notes.” That could disrupt the feedback loop, watering down community notes and making the whole system less trustworthy over time, X’s research paper warned.

“If rated helpfulness isn’t perfectly correlated with accuracy, then highly polished but misleading notes could be more likely to pass the approval threshold,” the paper said. “This risk could grow as LLMs advance; they could not only write persuasively but also more easily research and construct a seemingly robust body of evidence for nearly any claim, regardless of its veracity, making it even harder for human raters to spot deception or errors.”

X is already facing criticism over its AI plans. On Tuesday, former United Kingdom technology minister, Damian Collins, accused X of building a system that could allow “the industrial manipulation of what people see and decide to trust” on a platform with more than 600 million users, The Guardian reported.

Collins claimed that AI notes risked increasing the promotion of “lies and conspiracy theories” on X, and he wasn’t the only expert sounding alarms. Samuel Stockwell, a research associate at the Centre for Emerging Technology and Security at the Alan Turing Institute, told The Guardian that X’s success largely depends on “the quality of safeguards X puts in place against the risk that these AI ‘note writers’ could hallucinate and amplify misinformation in their outputs.”

“AI chatbots often struggle with nuance and context but are good at confidently providing answers that sound persuasive even when untrue,” Stockwell said. “That could be a dangerous combination if not effectively addressed by the platform.”

Also complicating things: anyone can create an AI agent using any technology to write community notes, X’s Community Notes account explained. That means that some AI agents may be more biased or defective than others.

If this dystopian version of events occurs, X predicts that human writers may get sick of writing notes, threatening the diversity of viewpoints that made community notes so trustworthy to begin with.

And for any human writers and reviewers who stick around, it’s possible that the sheer volume of AI-written notes may overload them. Andy Dudfield, the head of AI at a UK fact-checking organization called Full Fact, told The Guardian that X risks “increasing the already significant burden on human reviewers to check even more draft notes, opening the door to a worrying and plausible situation in which notes could be drafted, reviewed, and published entirely by AI without the careful consideration that human input provides.”

X is planning more research to ensure the “human rating capacity can sufficiently scale,” but if it cannot solve this riddle, it knows “the impact of the most genuinely critical notes” risks being diluted.

One possible solution to this “bottleneck,” researchers noted, would be to remove the human review process and apply AI-written notes in “similar contexts” that human raters have previously approved. But the biggest potential downfall there is obvious.

“Automatically matching notes to posts that people do not think need them could significantly undermine trust in the system,” X’s paper acknowledged.

Ultimately, AI note writers on X may be deemed an “erroneous” tool, researchers admitted, but they’re going ahead with testing to find out.

AI-written notes will start posting this month

All AI-written community notes “will be clearly marked for users,” X’s Community Notes account said. The first AI notes will only appear on posts where people have requested a note, the account said, but eventually AI note writers could be allowed to select posts for fact-checking.

More will be revealed when AI-written notes start appearing on X later this month, but in the meantime, X users can start testing AI note writers today and soon be considered for admission in the initial cohort of AI agents. (If any Ars readers end up testing out an AI note writer, this Ars writer would be curious to learn more about your experience.)

For its research, X collaborated with post-graduate students, research affiliates, and professors investigating topics like human trust in AI, fine-tuning AI, and AI safety at Harvard University, the Massachusetts Institute of Technology, Stanford University, and the University of Washington.

Researchers agreed that “under certain circumstances,” AI agents can “produce notes that are of similar quality to human-written notes—at a fraction of the time and effort.” They suggested that more research is needed to overcome flagged risks to reap the benefits of what could be “a transformative opportunity” that “offers promise of dramatically increased scale and speed” of fact-checking on X.

If AI note writers “generate initial drafts that represent a wider range of perspectives than a single human writer typically could, the quality of community deliberation is improved from the start,” the paper said.

Future of AI notes

Researchers imagine that once X’s testing is completed, AI note writers could not just aid in researching problematic posts flagged by human users, but also one day select posts predicted to go viral and stop misinformation from spreading faster than human reviewers could.

Additional perks from this automated system, they suggested, would include X note raters quickly accessing more thorough research and evidence synthesis, as well as clearer note composition, which could speed up the rating process.

And perhaps one day, AI agents could even learn to predict rating scores to speed things up even more, researchers speculated. However, more research would be needed to ensure that wouldn’t homogenize community notes, buffing them out to the point that no one reads them.

Perhaps the most Musk-ian of ideas proposed in the paper, is a notion of training AI note writers with clashing views to “adversarially debate the merits of a note.” Supposedly, that “could help instantly surface potential flaws, hidden biases, or fabricated evidence, empowering the human rater to make a more informed judgment.”

“Instead of starting from scratch, the rater now plays the role of an adjudicator—evaluating a structured clash of arguments,” the paper said.

While X may be moving to reduce the workload for X users writing community notes, it’s clear that AI could never replace humans, researchers said. Those humans are necessary for more than just rubber-stamping AI-written notes.

Human notes that are “written from scratch” are valuable to train the AI agents and some raters’ niche expertise cannot easily be replicated, the paper said. And perhaps most obviously, humans “are uniquely positioned to identify deficits or biases” and therefore more likely to be compelled to write notes “on topics the automated writers overlook,” such as spam or scams.

Photo of Ashley Belanger

Ashley is a senior policy reporter for Ars Technica, dedicated to tracking social impacts of emerging policies and new technologies. She is a Chicago-based journalist with 20 years of experience.

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X sues to block copycat NY content moderation law after California win

“It is our sincere belief that the current social media landscape makes it far too easy for bad actors to promote false claims, hatred and dangerous conspiracies online, and some large social media companies are not able or willing to regulate this hate speech themselves,” the letter said.

Although the letter acknowledged that X was not the only platform targeted by the law, the lawmakers further noted that Musk taking over Twitter spiked hateful and harmful content on the platform. They said it seemed “clear to us that X needs to provide greater transparency for their moderation policies and we believe that our law, as written, will do that.”

This clearly aggravated X. In their complaint, X alleged that the letter made it clear that New York’s law was “tainted by viewpoint discriminatory motives”—alleging that the lawmakers were biased against X and Musk.

X seeks injunction in New York

Just as X alleged in the California lawsuit, the social media company has claimed that the New York law forces X “to make politically charged disclosures about content moderation” in order to “generate public controversy about content moderation in a way that will pressure social media companies, such as X Corp., to restrict, limit, disfavor, or censor certain constitutionally protected content on X that the State dislikes,” X alleged.

“These forced disclosures violate the First Amendment” and the New York constitution, X alleged, and the content categories covered in the disclosures “were taken word-for-word” from California’s enjoined law.

X is arguing that New York has no compelling interest, or any legitimate interest at all, in applying “pressure” to govern social media platforms’ content moderation choices. Because X faces penalties up to $15,000 per day per violation, the company has asked for a jury to grant an injunction blocking enforcement of key provisions of the law.

“Deciding what content should appear on a social media platform is a question that engenders considerable debate among reasonable people about where to draw the correct proverbial line,” X’s complaint said. “This is not a role that the government may play.”

X sues to block copycat NY content moderation law after California win Read More »

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Ads are “rolling out gradually” to WhatsApp

For the first time since launching in 2009, WhatsApp will now show users advertisements. The ads are “rolling out gradually,” the company said.

For now, the ads will only appear on WhatsApp’s Updates tab, where users can update their status and access channels or groups targeting specific interests they may want to follow. In its announcement of the ads, parent company Meta claimed that placing ads under Updates means that the ads won’t “interrupt personal chats.”

Meta said that 1.5 billion people use the Updates tab daily. However, if you exclusively use WhatsApp for direct messages and personal group chats, you could avoid ever seeing ads.

“Now the Updates tab is going to be able to help Channel admins, organizations, and businesses build and grow,” Meta’s announcement said.

WhatsApp users will see three different types of ads on their messaging app. One is through the tab’s Status section, where users typically share photos, videos, voice notes, and/or text with their friends that disappear after 24 hours. While scrolling through friends’ status updates, users will see status updates from advertisers and can send a message to the company about the offering that it is promoting.

There are also Promoted Channels: “For the first time, admins have a way to increase their Channel’s visibility,” Meta said.

Finally, WhatsApp is allowing advertisers to charge users a monthly fee in order to “receive exclusive updates.” For example, people could subscribe to a cooking Channel and request alerts for new recipes.

In order to decide which ads users see, Meta says WhatsApp will leverage user information like their country code, age, their device’s language settings, and the user’s “general (not precise) location, like city or country.”

Ads are “rolling out gradually” to WhatsApp Read More »