November 29, 2012, 8:00 AM — 
When workplace computers moved beyond command-line interfaces to the mouse-and-windows-based graphical user interface, that was a major advance in usability. And the command line itself was a big improvement over the punch cards and tape that came before. We're now entering a new era of user interface design, with companies experimenting with everything from touch and voice to gestures and even direct mind control. (See the story version.)
[12 touch-less computer navigation projects and The TV is the new tablet: how gesture-based computing is evolving[
