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Can anybody explain how this works, ie: the technology behind it? The page itself doesn't disclose much more than that it uses some kind of secret algorithms to track hands and fingers, but I'd be interested in what kind of sensors and processing are used, and how such a small box can track 3 degrees of freedom so accurately. How can this work so well compared to the crude tracking that Kinect does with 3 cameras and a laser projector?

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