When techies try to think of the future of gesture-based computing, they often discuss 2002's Minority Report, a sci-fi thriller starring Tom Cruise. In the flick, Cruise controlled a huge transparent display by moving his hands and arms like an orchestra conductor. Now San Francisco-based Leap is taking gesture control seriously, with a US$69.99 product that's expected to ship later this year.
The Leap is a small aluminum and black plastic dev
