New Tablet Camera Tech Conjures an Invisible Keyboard

Relying on your tablet's on-screen keyboard saves you from having to carry clunky accessories, but it also gobbles up a good chunk of usable screen real estate. So Fujitsu researchers are working on a happy medium that uses the tablet's camera to track your finger movements on a desk, as if you were typing away on an… » 3/01/13 8:53am 3/01/13 8:53am