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The Most Important New Technology Since the Smart Phone Arrives December 2012

Even if you’ve seen the Leap Motion before, this is a demo you’ve got to watch.

http://www.technologyreview.com/view/428...mber-2012/

that got me excited.

ha ha...
a excellent bi-product will be paper-thin huge display....

Did not dig into detail, not sure the technologies it is base on.

I saw a similar demo years ago. It uses ultrasonic for detection of pen motion. Any pen will do, even finger is also possible. But it is restricted to only 2 dimensional then.

Interesting new technology...