From my youtube comment:
Quote: "Let me make something clear here people:
This is a very large box, with a projector and a camera. The camera sees the fingers and software makes it visible to us. This is NOTHING like what apple did. Apple has a patent on their technology, which is way more accurate than this. If you'd hold your finger on one position on the screen, the "cursor" would still jitter a LOT. If Apple would give their technology freedom, there would be many cool things in the future."

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