Skinput

Can we do it. Yes, its coming, you can input the data by using acoustic sound produced by tapping your fingers on the hand. A acoustic detector and the small projector chip will be able to transmit the desired data to the connected cell phone or the computer. It works with sound produced due to tapping on your palm. Sound Exciting ....Read more here http://research.microsoft.com/en-us/um/redmond/groups/cue/publications/HarrisonSkinputCHI2010.pdf

keep up days are coming when your hand will be an input device.....