YouTube Mobile was launched in June 2007, using RTSP streaming for the video.

4K video comes to YouTube", "YouTube now supports 4K-resolution videos", "You can watch an 8K video on YouTube – in theory", "True colors: adding support for HDR videos on YouTube", "Will 60fps YouTube videos force game developers to prioritize frame rate? "[295] Anderson asserted that it is not far-fetched to say that online video will dramatically accelerate scientific advance, and that video contributors may be about to launch "the biggest learning cycle in human history. YouTube 360 can also be viewed from all other virtual reality headsets. As a result, social and community features such as end screens and other widgets, notification functions, and comments are disabled, and videos can only be monetized with contextual advertising based on the video's metadata. [156] Embedding, rating, commenting and response posting can be disabled by the video owner. The creation of live streams was initially limited to select partners.

[137] In February 2017, live streaming was introduced to the official YouTube mobile app. [394][395] In July 2008, the Culture and Media Committee of the House of Commons of the United Kingdom stated that it was "unimpressed" with YouTube's system for policing its videos, and argued that "proactive review of content should be standard practice for sites hosting user-generated content".

YouTube responded by stating that it "goes far beyond its legal obligations in assisting content owners to protect their works". On August 27, 2013, YouTube announced that it would remove video responses for being an underused feature. [292] Videos of the 2.5% of artists categorized as "mega", "mainstream" and "mid-sized" received 90.3% of the relevant views on YouTube and Vevo in that year. [162] In response, Zamzar removed the ability to download YouTube videos from its site. Google CEO Eric Schmidt regarded this system as necessary for resolving lawsuits such as the one from Viacom, which alleged that YouTube profited from content that it did not have the right to distribute. [20][21] YouTube's early headquarters were situated above a pizzeria and Japanese restaurant in San Mateo, California. In a statement to the Financial Times in June 2014, Robert Kyncl confirmed that YouTube would block the content of labels who do not negotiate deals to be included in the paid service "to ensure that all content on the platform is governed by its new contractual terms."

[234][235] In October 2012, a local version of YouTube was launched in Turkey, with the domain youtube.com.tr. [140] In February 2017, a live streaming feature called Super Chat was introduced, which allows viewers to donate between $1 and $500 to have their comment highlighted.[141].

[167] Since June 2007, YouTube's videos have been available for viewing on a range of Apple products. [454][455][456][457] On November 11, 2017, YouTube announced it was strengthening site security to protect children from unsuitable content. [96][97], On January 27, 2015, YouTube announced that HTML5 would be the default playback method on supported browsers. From Emily Dickinson to George Orwell, Zora Neale Hurston to Franz Kafka. [30] The week of YouTube's launch, NBC-Universal's Saturday Night Live ran a skit "Lazy Sunday" by The Lonely Island. [56] In April 2011, James Zern, a YouTube software engineer, revealed that 30% of videos accounted for 99% of views on the site. See More. See YouTube localization list on the bottom of the YouTube website. [437], Following the dissemination via YouTube of misinformation related to the COVID-19 pandemic that 5G communications technology was responsible for the spread of coronavirus disease 2019 which led to numerous 5G towers in the United Kingdom to be destroyed, YouTube removed all such videos linking 5G and the coronavirus in this manner. [426] After firms started to stop advertising on YouTube in the wake of this reporting, YouTube apologized and said that it would give firms greater control over where ads got placed. [149], On September 13, 2016, YouTube launched a public beta of Community, a social media-based feature that allows users to post text, images (including GIFs), live videos and others in a separate "Community" tab on their channel. [131] These tests had relied on technology from 3rd-party partners, but in September 2010, YouTube began testing its own live streaming infrastructure. "[498], FTC commissioner Rebecca Kelly Slaughter noted in dissenting remarks that many of the child-directed channels on YouTube were run by owners outside of the U.S., which may fall outside the jurisdiction of COPPA and the FTC's "practical reach".

[346] The move was seen as an attempt to ensure that videos being monetized did not lead to controversy, but was criticized for penalizing smaller YouTube channels. [496][497] YouTube had stated in their information page related to the COPPA requirements that "there are some complexities with the mixed audience category" which they have submitted to the FTC during public comment periods, and in the interim "decided to streamline the options for creators by creating a single 'Made for kids' category to avoid further confusion in an already unclear space. [264] On May 22, 2018, the music streaming platform named "YouTube Music" was launched. Subscribers can also receive Showtime and Fox Soccer Plus as optional add-ons for an extra fee, and can access YouTube Premium original content (YouTube TV does not include a YouTube Red subscription). YouTube apologized for the errors, and reinstated the affected videos. [480][481], A related attempt to algorithmically flag videos containing references to the string "CP" (an abbreviation of child pornography) resulted in a number of prominent false positives involving unrelated topics using the same abbreviation, including videos related to the mobile video game Pokémon Go (which uses "CP" as an abbreviation of the statistic "Combat Power"), and Club Penguin. Stating that 90% of labels had reached deals, he went on to say that "while we wish that we had [a] 100% success rate, we understand that is not likely an achievable goal and therefore it is our responsibility to our users and the industry to launch the enhanced music experience. [426], Alex Jones, known for right-wing conspiracy theories, had built a massive audience on YouTube.