GATEWAY TO MORE: With the introduction of video calling, Messenger looks poised to become a smartphone portal that ties together everything a handset can do.
Facebook has added video calling to its standalone Messenger app but the new feature is about so much more than simply helping friends see as well as speak to each other – it is also a glimpse into the future possibilities that social messaging can offer.
Free video calling over a WiFi network is nothing new for smartphone owners. It's what Apple's FaceTime, Microsoft's Skype and Google's Hangouts all offer.
