Kotaku: This is your guide to everything you need to know about Xbox 360 Kinect: how it works, what it costs, and what games you can play on it.
What Is Kinect?
Microsoft calls Kinect a hands-free motion control device for the Xbox 360. It allows players to control games using a combination of body movement and spoken commands without having to hold a controller in their hands. As Microsoft is fond of saying, with Kinect you are the controller.