"Combined Surface User Interface" is a cool little patent application filed by Microsoft back in 2010, detailing the creation of a shared workspace stitched together by pico projectors attached to mobile devices. Users can interface with the projected area through motion captured on a camera. If the whole thing sounds a bit familiar, don't worry, you're not crazy. Earlier in the month, a patent application from Apple surfaced carrying the "Projected Display Shared Workspaces" title, detailed a fairly similar scenario. Intere