Facebook Video Chat is a third party plugin for Facebook that allows you to video and audio chat via Facebook.
Of course, video and audio chatting are now possible in Facebook thanks to Skype integration and Facebook Video Chat simply offers an alternative way of doing it.
Pros
Alternative way to video and audio chat on Skype
Integrates with Facebook
Cons
Places a Babylon installer on your desktop
Requires an add-on to be installed on Facebook
Not necessary now that Skype integrated with Facebook
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