Microsoft bought the Kinect teck from PrimeSense to prop up there XBox division which has yet to outpreform a simple stock buyback and is this a failure. http://en.wikipedia.org/wiki/PrimeSense
Xbox is brought up a lot in these threads although it has been a total business failure. Even after losing billions over many quarters, making a quarterly profit only recently, it's still in a virtual 3-way tie for the tiny gaming console market.