@cnet tweets related to: How To, Free Call, Facebook App, Iphone

Here's a video showing you how to use the Facebook iPhone app to make a free call from anywhere. Facebook recently updated the iOS app to version 5.5, which included the same free calling feature its Messenger app has had for a while now.
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How to make a free call using your iPhone and the Facebook app http://t.co/4rUPcuWPRH

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