| Take your hands off that keyboard! 
That, in short, was one of several points made by Microsoft Chief Executive Steve Ballmer during a keynote to kick off the annual Consumer Electronics Show in Las Vegas. 
Ballmer, who speaks in exclamation points with his characteristically booming voice, showcased a slew of gadgets and devices that don't require keyboards. Among them: the Slate tablet from Hewlett-Packard featuring a multi-touch screen from N-Trig, which also provided the touch technology for computers from Dell, Lenovo and Toshiba. 
Ballmer, along with Robbie Bach, president of 
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