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 ...

[Credit: Playsurface on Kickstarter] Table computers like the Merel mTouch and the Samsung SUR40 running Microsoft’s Surface software (nee PlayTable nee Project Milan nee Microsoft Table) have been a ...