Facebook Bringing Voice and Video Calling Back to Main App After Moving Them to Messenger

Facebook is re-adding voice and video calling features to its main Facebook app after moving the features to Messenger back in 2014, reports Bloomberg. Users in some countries including the United States are now able to make voice or video calls directly from the Facebook app. As of now, Facebook is testing the feature, which is meant to cut down on the number of times that Facebook users need to swap over to the Messenger app. Messenger and Facebook used to be a single app, but in 2014, Faceboo...