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Touchy system

Leap Motion gesture control system

PRICE: $79.99 at

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Sleek, elegant device detects hand and finger movements, and uses them to control computer software.

PROS: Easy to set up; improves performance of Microsoft Inc.’s Windows 8 software on computers lacking touchscreens.

CONS: Works only with customized software; useless for standard personal computer programs. Difficult to use; delivers inconsistent performance.

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