Facebook has announced a new update to its Facebook Messenger app that adds support for free video calls for the US and 17 other countries.
This new feature means that Facebook Messenger could be a competitor in the VoIP video market to apps such as Skype and Viber, among others. Facebook says:You can quickly start a video call from any conversation with just one tap. If you're messaging with someone and realize that words just aren't enough, you can
