YouTube Leanback was an optimized version of YouTube used for television web browsers and WebView application wrappers. Launched July 7, 2010; shut down October 2, 2019 — it lived 9 years. One of 37 Google products killed in 2019. https://9to5google.com/2019/09/16/youtube-leanback-tv-interface-disabled-soon/ Data: Killed by Google (killedbygoogle.com, MIT).