Kinect is “Kinect for Xbox 360 (formerly known by the code name Project Natal, or simply, Kinect, is a “controller-free gaming and entertainment experience” by Microsoft for the Xbox 360 video game platform. Based around an add-on peripheral for the Xbox 360 console, it enables users to control and interact with the Xbox 360 without the need to touch a game controller through a natural user interfacespoken commands, or presented objects and images. The project is aimed at broadening the Xbox 360’s audience beyond its typical gamer base.” as defined by Wikipedia.
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Sorry, I am not in the mood of writing anything myself.