All you have to do is connect your Facebook account to Skype, select a Facebook friend and hit the Skype video call button. Your friend can answer the call directly from within Facebook.
They also added new features to Skype 5.4 Beta for Mac and Skype 5.7 Beta for Windows including improved video rendering giving smoother video for Mac users and group screen sharing for Windows users with a Premium subscription (group screen sharing is currently available for Mac users). Users who are chatting one-on-one will also be able to screen share with live video streaming. Here's a video:
Via Big Blog
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