Microsoft only has a few key Windows Phone partners under its belt, but it may be expanding the ecosystem very shortly — The Information hears from sources that Redmond is once again in talks to launch a Sony-made Windows Phone. While theres no guarantee of a deal, the partnership could introduce a handset as soon as mid-2014. The device may even carry the VAIO badge, and it could serve as a vehicle for Sonys Music Unlimited and Video Unlimited services.