Messenger Rooms: Facebook's new video calls let 50 people drop in
The social media giant said it worked with cryptographers to devise ways of excluding unwanted guests.
24 Apr 2020 ... Facebook has added a wave of new video-calling features to WhatsApp,
Messenger and ... People creating a Messenger Room will be able to keep their
room private, block ... Step-by-step guide: How to video call your family.