Set up groups of family and friends with the latest update to Facebook Messenger for iOS
The update to Facebook Messenger also makes the app faster and more reliable. Most likely it includes the proverbial bug fixes and performance enhancements. Are you a Facebook Messenger user with an iOS powered device? You are? Well then, head over to the App Store where version 4.0 of Facebook Messenger awaits you.
source: FacebookMessenger via Engadget