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Tag: INPUT

Fingernail Scratching Could Be Newest Way to Answer Your Phone

A new device, developed by a team of researchers at Carnegie Mellon University's Human-Computer Interaction Institute, might wind up scratching an itch that cell phone users didn't even know they had. Or, at the least, it'll have them scratching a lot more often. The 'Scratch Input' uses the sound produced by scratching your fingernail across a surface -- wood, fabric, what have you -- to ...