Building Facebook Messenger - Facebook Engineering
On Tuesday we introduced Facebook Messenger, a new stand-alone messaging app that enables people to send messages 1-on-1 or to groups of friends. I joined Facebook five months ago with my two other co-founders, Ben Davenport and Jon Perlow, who worked with me to build a group messaging application called Beluga. Our new app, Facebook [...]Read More...
12 Aug 2011 ... Our new app, Facebook Messenger, represents the best of both ... To do this without killing battery life, we used a protocol called MQTT that we ...