Windows Phone users have recently reported increased data usage on their handset and Microsoft has confirmed the problem is caused by the built-in Twitter client in the People Hub.
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Microsoft's official Windows Phone Twitter page pokes a little fun at Facebook and Mark Zuckerberg's reveal of Facebook Home, pointing out the People hub on Microsoft's mobile OS.
The Skype client for Windows Phone has received an update today, that reinstates People Hub integration while providing HD video call capabilities amongst a number of other new features.
Joe Belfiore, Head of the Windows Phone division at Microsoft mentioned yesterday that Skype will be getting an update to allow People Hub contact integration. Unfortunately there's no release date.