Viber has overhauled its iPhone service with the launch of an iOS 7-optimised app. Version 4.2 of the voice over IP software also includes a raft of new features, such as the ability to record longer ...

You can talk, you can text, and now, you can shop, all within Viber. The instant messaging and VoIP app is the latest to adopt the trend of allowing for more and more in-app activity to take place.

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...