We've heard plenty of rumors about Microsoft's plans for Skype. Finally the company is laying its cards on the table. After working diligently to bridge the gap between Messenger and its VoIP purchase, its aging IM platform will indeed be retired and users migrated to the more video-focused property. Redmond hopes to complete the move during the first quarter of 2013, after which Messenger will be retired everywhere except in mainland China. Users of both servi