Will this be a Hit or a Miss

Leap Motion, a San Francisco startup has created a device (“the Leap”) that lets you control your computer just my moving your fingers over it, as if you were using a touchscreen in the air.

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Leap Motion is now taking pre-orders for the $69.99 device but won’t begin shipping it until the end of this year or early 2013. The company is also opening up its developer ecosystem to give software makers a head start on developing new applications.