YouTube

==== Live streaming ====
YouTube carried out early experiments with [[live streaming]], including its [[YouTube Live]] event in 2008,<ref>{{cite web|url=http://latimesblogs.latimes.com/babylonbeyond/2008/11/jordan-queen-ra.html|title=JORDAN: Queen Rania receives YouTube award|date=November 15, 2008|access-date=September 10, 2016|archive-date=May 6, 2021|archive-url=https://web.archive.org/web/20210506101452/https://latimesblogs.latimes.com/babylonbeyond/2008/11/jordan-queen-ra.html|url-status=live}}</ref> a concert by [[U2]] in 2009, and a question-and-answer session with US President [[Barack Obama]] in February 2010.<ref name="CNN 2010">{{cite web |url=https://edition.cnn.com/2010/TECH/web/09/13/youtube.livestreaming/index.html?hpt=C2 |title=YouTube testing live streaming |last=Gross |first=Doug |date=September 13, 2010 |publisher=CNN |access-date=September 22, 2017 |archive-date=September 23, 2017 |archive-url=https://web.archive.org/web/20170923002722/http://edition.cnn.com/2010/TECH/web/09/13/youtube.livestreaming/index.html?hpt=C2 |url-status=live }}</ref> These tests had relied on technology from 3rd-party partners, but in September 2010, YouTube began testing its own live streaming infrastructure.<ref name="BBC 2010">{{cite news |url=https://www.bbc.com/news/technology-11282240 |title=YouTube in two-day live video-streaming test |date=September 13, 2010 |newspaper=BBC News |access-date=July 21, 2018 |archive-date=November 10, 2019 |archive-url=https://web.archive.org/web/20191110052422/https://www.bbc.com/news/technology-11282240 |url-status=live }}</ref> In April 2011, YouTube announced the rollout of ''YouTube Live''. The creation of live streams was initially limited to select partners.<ref name="YT Blog 2011">{{cite web |url=https://youtube.googleblog.com/2011/04/youtube-is-going-live.html |title=YouTube is going LIVE |date=April 8, 2011 |website=YouTube Official Blog |access-date=September 22, 2017 |archive-date=September 23, 2017 |archive-url=https://web.archive.org/web/20170923002634/https://youtube.googleblog.com/2011/04/youtube-is-going-live.html |url-status=live }}</ref> It was used for real-time broadcasting of events such as the 2012 Olympics in London.<ref>{{cite magazine |url=https://www.wired.com/2015/08/youtube-sleeping-giant-livestreaming/ |title=YouTube Is the Sleeping Giant of Livestreaming |last=Pierce |first=David |magazine=Wired |language=en-US |access-date=September 22, 2017 |date=August 17, 2015 |archive-date=November 8, 2020 |archive-url=https://web.archive.org/web/20201108112508/https://www.wired.com/2015/08/youtube-sleeping-giant-livestreaming/ |url-status=live }}</ref> In October 2012, more than 8&nbsp;million people watched [[Felix Baumgartner]]'s [[Red Bull Stratos|jump from the edge of space]] as a live stream on YouTube.<ref>{{cite news |url=https://www.newsday.com/news/nation/felix-baumgartner-s-jump-from-space-s-edge-watched-by-millions-1.4115479 |title=Felix Baumgartner's jump from space's edge watched by millions |agency=Associated Press |date=October 15, 2012 |access-date=October 15, 2012 |url-status=dead |archive-url=https://web.archive.org/web/20121018071353/https://www.newsday.com/news/nation/felix-baumgartner-s-jump-from-space-s-edge-watched-by-millions-1.4115479 |archive-date=October 18, 2012}}</ref>

In May 2013, creation of live streams was opened to verified users with at least 1,000 subscribers; in August of the same year the number was reduced to 100 subscribers,<ref name="Verge 2013">{{cite web |url=https://www.theverge.com/2013/8/3/4586624/youtube-live-streaming-now-available-to-channels-with-100-subscribers |title=YouTube opens up live streaming to anyone with 100 or more subscribers |last=Blagdon |first=Jeff |date=August 3, 2013 |website=[[The Verge]] |access-date=September 22, 2017 |archive-date=November 12, 2020 |archive-url=https://web.archive.org/web/20201112025730/http://www.theverge.com/2013/8/3/4586624/youtube-live-streaming-now-available-to-channels-with-100-subscribers |url-status=live }}</ref> and in December the limit was removed.<ref name="MacNN 2013">{{cite web |url=https://www.macnn.com/articles/13/12/13/youtube.abandons.100.subscriber.limit.for.live.streaming/ |title=YouTube opens live streaming for all verified accounts |date=December 13, 2013 |website=MacNN |access-date=September 22, 2017 |archive-date=September 23, 2017 |archive-url=https://web.archive.org/web/20170923003125/http://www.macnn.com/articles/13/12/13/youtube.abandons.100.subscriber.limit.for.live.streaming/ |url-status=dead}}</ref> In February 2017, live streaming was introduced to the official YouTube mobile app. Live streaming via mobile was initially restricted to users with at least 10,000 subscribers,<ref name="Ars Technica 2017-02-08">{{cite web |url=https://arstechnica.com/information-technology/2017/02/youtube-now-lets-creators-with-10000-subscribers-live-stream-video-on-mobile/ |title=YouTube now lets creators with 10,000 subscribers live-stream video on mobile |last=Palladino |first=Valentina |date=February 8, 2017 |website=[[Ars Technica]] |access-date=September 22, 2017 |archive-date=November 12, 2020 |archive-url=https://web.archive.org/web/20201112031216/https://arstechnica.com/information-technology/2017/02/youtube-now-lets-creators-with-10000-subscribers-live-stream-video-on-mobile/ |url-status=live }}</ref> but as of mid-2017 it has been reduced to 100 subscribers.<ref name="create live">[https://support.google.com/youtube/answer/2853700 "Create a live stream"] {{Webarchive|url=https://web.archive.org/web/20171010095216/https://support.google.com/youtube/answer/2853700 |date=October 10, 2017 }} YouTube Help. Retrieved September 22, 2017.</ref> Live streams support HDR, can be up to 4K resolution at 60 fps, and also support 360° video.<ref name="Verge 2016">{{cite web |url=https://www.theverge.com/2016/11/30/13783272/youtube-update-4k-live-streaming-support-360-video |title=YouTube now supports 4K live-streaming for both 360-degree and standard video |last=Garun |first=Natt |date=November 30, 2016 |website=[[The Verge]] |access-date=September 23, 2017 |archive-date=December 9, 2020 |archive-url=https://web.archive.org/web/20201209043847/https://www.theverge.com/2016/11/30/13783272/youtube-update-4k-live-streaming-support-360-video |url-status=live }}</ref><ref>{{cite web |last=Porter |first=Jon |date=December 8, 2020 |title=YouTube live streams now support HDR |url=https://www.theverge.com/2020/12/8/22162889/youtube-live-stream-hdr-support |access-date=May 10, 2021 |website=The Verge |language=en |archive-date=May 10, 2021 |archive-url=https://web.archive.org/web/20210510172849/https://www.theverge.com/2020/12/8/22162889/youtube-live-stream-hdr-support |url-status=live }}</ref>