Facebook wants videos on its platform to live on as many screens as possible, so the social network has added Apple TV and Chromecast support starting today. Now, when you watch a video on Facebook using your smartphone, you’ll see a small button in the upper righthand corner that, when tapped, will let you send the video to a supported device hooked up to your television.
Source: Facebook now lets you stream video to Apple TV and Chromecast – The Verge