Tom's Guide: "Since early 2007, we've been pleased to witness a profound change in the personal computer world with the debut of touch-sensitive displays. First, with the Apple iPhone, then with Microsoft's Surface, the public has discovered that it's now possible to control a computer with your fingers and interact with the machine in a much more "human" way than using a mouse and keyboard.
Yet, touchscreens are far from being a "new" or never-before-seen technology. The first prototypes actually appeared in the 1970s, and it's been 10 years since anyone was surprised to see a laptop with a trackpad or an automatic kiosk that lets you purchase tickets just by touching the screen. So, why do the iPhone and Surface seem so revolutionary? And what's in store for us in the years ahead?"