We'll go ahead and get this out of the way: the fantastic product you're about to hear more on has "no plans" to go commercial. Now that we've thoroughly killed your buzz, let us introduce to you the LaserTouch. Said device is a prototype that recently emerged from Microsoft Research's labs, which essentially allows people to retrofit any display (monitor, projector, etc.) so that they can use their own hands to control the on-screen action. According to Andy Wilson, who played a vital role in the unit's creation, an infrared camera is used to track how a person touches the screen, while software that he developed handles the majority of the magic. Too bad this could totally undercut Surface sales, right?

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Microsoft's LaserTouch prototype brings hand control to any display