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Is there a way I can use the camera on my Macbook Pro to control the applications on my desktop? I would like to be able to wave to use waving gestures to change between apps, show the app expose, etc.

Do you know of any applications that can do this? I haven't been able to find one and I've done extensive Google searching.

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It would almost certainly require a jailbreak, because App Store apps aren't allowed to modify system behaviors. –  Spiff Aug 26 '13 at 16:50
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