bIOSlab's Lumi is a chic desk lamp with a built-in computer and projector that promises a clutter-free workspace, projecting a 20-inch infrared touch screen on your desktop or an 80-in wall projection ...

Not every notebook has a touch screen, but try one, and you'll be a tap-and-swipe convert. Here's what to know about touch-panel technology, plus the best touch-screen laptops you can buy, based on ...