Facebook Sit-In Stream Is Big Moment for Social Video

Bloomberg: Since Wednesday, millions of people have tuned in via live-streamed videos through Facebook and Twitter’s Periscope app to follow a sit-in by U.S. House Democrats protesting congressional inaction on proposed gun control legislation. As of 1 p.m. Thursday in New York, Facebook Live videos broadcast from 19 representatives attracted 3 million views. The huge audience marked a defining moment for social-media video.