All we've got to say is that they'd better be selling seats to the first living room demonstration of this tech when somebody gets cute and grabs a real baseball bat for a demo. Sony has filed a patent for technology using the PlayStation Eye which can detect regular objects in 3D space and file them away in a database for later use in gameplay. Naturally, the camera already does object motion detection of a sort with the blocky embedded codes on Eye of Judgement cards, but this seems to be taking that tech to a new level, and would imply that you won't necessarily need to be waggling that goofy ball-on-a-stick controller