ChatGPT Wikipedia

Chris Granatino, a librarian at Seattle University, noted that while ChatGPT can generate content that seemingly includes legitimate citations, in most cases those citations are not real or largely incorrect. As of July 2025, Science expects authors to release in full how AI-generated content is used and made in their work. Some, including Nature and JAMA Network, "require that authors disclose the use of text-generating tools and ban listing a large language model (LLM) such as ChatGPT as a co-author". As of 2023, there were several pending U.S. lawsuits challenging the use of copyrighted data to train AI models, with defendants arguing that this falls under fair use. Over 20,000 signatories including Yoshua Bengio, Elon Musk, and Apple co-founder Steve Wozniak, signed a March 2023 open letter calling for an immediate pause of giant AI experiments like ChatGPT, citing "profound risks to society and humanity".

Revenue to copyright holders

  • According to a story that has often been repeated in the media, Hurley and Chen developed the idea for YouTube during the early months of 2005, after they had experienced difficulty sharing videos that had been shot at a dinner party at Chen’s apartment in San Francisco.
  • A video of two presenters announcing the nominated videos streamed live for 12 hours.
  • Shortly after the bug was fixed, users could not see their conversation history.
  • Kremlin spokesperson Dmitry Peskov labeled the court decision as “symbolic” and warned Google that it “should not be restricting the actions of our broadcasters on its platform.”
  • As part of YouTube Music, Universal and YouTube signed an agreement in 2017, which was followed by separate agreements other major labels, which gave the company the right to advertising revenue when its music was played on YouTube.

In May 2018, after London Metropolitan Police claimed that drill music videos glamorizing violence gave rise to gang violence, YouTube deleted 30 videos. Journalist Virginia Heffernan stated in The New York Times that such videos have "surprising implications" for the dissemination of culture and even the future of classical music. In cases where the entire site is banned due to one particular video, YouTube will often agree to remove or limit access to that video in order to restore service. YouTube, a video sharing platform, has faced various criticisms over the years, particularly regarding content moderation, offensive content, and monetization. YouTube VR allows for access to all YouTube-hosted videos, but particularly supports headset access for 360° and 180°-degree video (both in 2D and stereoscopic 3D).
A total of 34 streaming services (including Paramount+, Showtime, Starz, MGM+, AMC+ and ViX+) were initially available for purchase. YouTube Movies & TV is a video on demand (VOD) service that offers movies and television shows for purchase or rental, depending on availability, along with a selection of movies (encompassing between 100 and 500 titles overall) that are free to stream, with interspersed ad breaks. As of September 2019, the app is available in 69 countries, including Hong Kong and Macau, and one province. YouTube Kids is an American children's video app developed by YouTube, a subsidiary of Google. It offers advertising-free streaming, access to original programming, and background and offline video playback on mobile devices.

  • The system, which was initially called “Video Identification” and later became known as Content ID, creates an ID File for copyrighted audio and video material, and stores it in a database.
  • In 2008, all links to videos on the main page were redirected to Rick Astley’s music video “Never Gonna Give You Up”, a prank known as “rickrolling”.
  • If a YouTube user disagrees with a decision by Content ID, it is possible to fill in a form disputing the decision.
  • In 2020, Roku removed the YouTube TV app from its streaming store after the two companies were unable to reach an agreement.
  • Since its purchase by Google, YouTube has expanded beyond the core website into mobile apps, network television, and the ability to link with other platforms.
  • On September 23, 2025, YouTube parent company Alphabet announced that it would reinstate creators that were banned for spreading misinformation about COVID-19 and the 2020 U.S. presidential election.
  • YouTube Premium (formerly Music Key and YouTube Red) is YouTube’s premium subscription service.

YouTube Movies & TV

While some users praised the move as a way to discourage trolls, others felt that hiding dislikes would make it harder for viewers to recognize clickbait or unhelpful videos and that other features already existed for creators to limit bullying. It features a simplified user interface, curated selections of channels featuring age-appropriate content, and parental control features. YouTube also released YouTube Music, a third app oriented towards streaming and discovering the music content hosted on the YouTube platform. In 2014, YouTube announced a subscription service known as "Music Key", which bundled ad-free streaming of music content on YouTube with the existing Google Play Music service.
In 2008, all links to videos on the main page were redirected to Rick Astley's music video "Never Gonna Give You Up", a prank known as "rickrolling". An independent test in 2009 uploaded multiple versions of the same song to YouTube and concluded that while the system was "surprisingly resilient" in finding copyright violations in the audio tracks of videos, it was not infallible. In June 2007, YouTube began trials of a system for automatic detection of uploaded videos that infringe copyright.

GPT-4o

At launch, the feature was limited to purchases on Etsy from US users with a payment method linked to their OpenAI account. According to TechCrunch, it is a service based on o3 that combines advanced reasoning and web search capabilities to make comprehensive reports within 5 to 30 minutes. At launch, OpenAI included more than 3 million GPTs created by GPT Builder users in the GPT Store. The integration used ChatGPT to write prompts for DALL-E guided by conversations with users. Premium users were originally limited in the number of messages they could send to the new model, but OpenAI increased and eventually removed these limits.
In early 2018, Cohen began hinting at the possible launch of YouTube's new subscription music streaming service, a platform that would compete with other services such as Spotify and Apple Music. YouTube Premium was originally announced on November 12, 2014, as "Music Key", a subscription music streaming service, and was intended to integrate with and replace the existing Google Play Music "All Access" service. In 2013, YouTube teamed up with satirical newspaper company The Onion to claim in an uploaded video that the video-sharing website was launched as a contest which had finally come to an end, and would shut down for ten years before being re-launched in 2023, featuring only the winning video.

How 'YouTube in Session' connects creators and policymakers in Washington, D.C.

YouTube's owner Google announced in November 2015 that they would help cover the legal cost in select cases where they believe fair use defenses apply. From 2007 to 2009 organizations including Viacom, Mediaset, and the English Premier League have filed lawsuits against YouTube, claiming that it has done too little to prevent the uploading of copyrighted material. YouTube has an estimated 14.8 billion videos with about 4% of those never having a view. That was disputed by Billboard, which said that the two billion views had been moved to Vevo, since the videos were no longer active on YouTube. On September 23, 2025, YouTube parent company Alphabet announced that it would reinstate creators that were banned for spreading misinformation about COVID-19 and the 2020 U.S. presidential election. On April 9, 2025, YouTube expressed support for the NO FAKES Act of 2025, introduced by Senator Chris Coons (D-DE) and Senator Marsha Blackburn (R-TN), and announced an expansion of its pilot program that is designed to identify content generated by AI.

Despite this advice, many unauthorized clips of copyrighted material remain on YouTube. The company stated the decision was in response to experiments which confirmed that smaller YouTube creators were more likely to be targeted in dislike brigading and harassment. On August 5, 2015, YouTube patched the formerly notorious behavior which caused a video's view count to freeze at "301" (later "301+") until the actual count was verified to prevent view count fraud. YouTube has been led by a CEO since its founding in 2005, beginning with Chad Hurley, who led the company until 2010. As of December 2024update the Playables catalog has over 130 games in various genres, including trivia, action and sports.

In March 2023, a bug allowed some users to see the titles of other users' conversations. Despite this, users may "jailbreak" ChatGPT with prompt engineering techniques to bypass these restrictions. A 2025 Sentio University survey of 499 LLM users with self-reported mental health conditions found that 96.2% use ChatGPT, with 48.7% using it specifically for mental health support or therapy-related purposes.
Hurley announced that he would be stepping down as chief executive officer of YouTube to take an advisory role and that Salar Kamangar would take over as head of the company in October 2010. Most of these views came from a relatively small number of videos; according to a software engineer at that time, 30% of videos accounted for 99% of views on the site. In 2011, more than three billion videos were being watched each day with 48 hours of new videos uploaded every minute. Unofficial uploads of the skit to YouTube drew in more than five million collective views by February 2006 before biggerz casino bonus they were removed when NBCUniversal requested it two months later based on copyright concerns. Difficulty in finding enough dating videos led to a change of plans, with the site's founders deciding to accept uploads of any video. They created posts on Craigslist asking attractive women to upload videos of themselves to YouTube in exchange for a $100 reward.