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Colin Daymude plays music via a projected piano keyboard as he demonstrates the HP Sprout, January 6, 2015 at the Intel stand at the Consumer Electronics Show in Las Vegas, Nevada. The Sprout is a 'blended reality' PC which combines an all-in-one desktop PC with Intel's RealSense imaging technology, plus a combination scanner and projector, and a touch-sensitive projection surface called a Touchy Mat. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

Colin Daymude plays music via a projected piano keyboard as he demonstrates the HP Sprout, January 6, 2015 at the Intel stand at the Consumer Electronics Show in Las Vegas, Nevada.  The  Sprout is a 'blended reality' PC which combines an all-in-one desktop PC with Intel's RealSense imaging technology, plus a combination scanner and projector, and a touch-sensitive projection surface called a Touchy Mat.  AFP PHOTO / ROBYN BECK        (Photo credit should read ROBYN BECK/AFP/Getty Images)