Working with Microsoft, a company called Ubi Interactive is bringing us ever-closer to the day when everything is a touch screen.
touch - News, Features, and Slideshows
With touch-screens these days capacitive digitizers work when the user disturbs an electromagnetic field on the screen's surface with a finger or specialized stylus pen. They respond to the lightest of touches and can handle several inputs at once, which means you can use complex gestures, like those supported by Apple's iPhone. Want to enlarge an image? Pull your thumb and forefinger apart. Need to rotate it? Pivot your forefinger around your thumb.