« With this update, people can seamlessly share their screens, insert graphics, switch cameras, or use professional equipment in Facebook Live videos. They also have the option to broadcast to Facebook Groups they belong to, Facebook Events they’re part of, or Facebook Pages they manage.If you’re a gamer, this new feature makes it easier than ever to stream your PC gameplay to friends and followers and engage with them while you play ».

Source : New Ways to Go Live: Now From Your Computer | Facebook Newsroom