Facebook now allows Messenger Rooms users to live broadcast video calls with up to 50 participants (Salvador Rodriguez/CNBC)

Salvador Rodriguez / CNBC:
Facebook now allows Messenger Rooms users to live broadcast video calls with up to 50 participants  —  - Facebook announced a new feature that will allow users to live broadcast video calls with up to 50 participants.  — The ability to live broadcast Messenger Rooms calls could pose another threat …