Not content to own your phone's home screen, Facebook is bringing free VoIP calling to users of its Home and Android Messenger apps in the US. VoIP for iOS users has been available for a few months now; with Android already enjoying the service in 23 other countries, including Canada. The feature will roll out over the course of the day, and it appears to be an OTA update; Android users will know they have the new VoIP feature if they can click the "I" icon on a friend's profile and then select "free call." [
