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That's an interesting perspective that I hadn't thought of before.

The usual approach to a 3D gestural interface is the kind of thing that's shown in the video for Leap—writing in the air, using mimed actions in space to represent manipulation of objects on a 2D screen, et cetera.

Gestures as an abstraction, like sign language or even the everyday hand gestures we use like flipping the bird, the "A-OK" sign, and such make a lot more sense. If you move away from the idea of using hand waving as a stand-in for direct manipulation of objects, and look at gestures as a form of communication, it's a whole different ball game.

Thanks for that. I still look at the demo video for Leap with fear and loathing, but using that same hardware for a communicative gesture system like you suggest is exciting indeed. Now I'm going to be distracted all day thinking about ways to incorporate hand signs into a UI.



The big question for me is whether gestures began as a proto-language. Consider mimicry and the use of tools in social learning. That's animal cognition too.


Upvoted both of you for civility :-)




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