After Larossi Abballa killed a French police commander and the commander's partner on Tuesday, he took to Facebook Live to encourage viewers in a 12-minute video to follow his example: Kill prison staff, police officials, journalists, lawmakers.
The incident underscores the immense challenges companies such as Facebook Inc, Twitter Inc and Google's YouTube face as they push live video streaming to hundreds of millions of people.
Facebook in recent months has made its Live feature- which allows anyone to broadcast a video in real time — a central component of its strategy. Twitter, similarly, is focused on live content, and online video leader YouTube is also moving into live streaming.