Microsoft's 45-inch touchscreen costs $150

Microsoft has a vision for a world in which every surface is a Windows touchscreen. That became a whole lot closer to reality this week.

A startup called Ubi Interactive is now selling $150 software that can turn any wall, desk or screen into a 45-inch touchscreen. Just hook up a Microsoft Kinect sensor and a screen or projector, and the display will instantly gain touch-screen capabilities. Ubi's software can even support touchscreens of up to 100 inches, at a cost of $379.

Ubi worked with Microsoft engineers at the company's Redmond, Wash., headquarters last year as part of an exclusive "Kinect Accelerator" program. Ubi was one of 11 startups chosen to develop apps and software that work with the Kinect.

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