Fusion creates live 3D models of both people and objects, while Interactions adds a whole variety of recognizable gestures to the Kinect for Windows SDK ("push-to-press buttons, grip-to-pan capabilities, and support for smart ways to accommodate multiple users and two-person interactions, " says Microsoft).

ENGADGET: Kinect for Windows SDK gets significant update on March 18, includes Kinect Fusion and Interactions

She watches the whole reel, but there is no recognizable image of her nephew.

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