This could be kinda neat!
I'm starting to think of more things than just replacing mouse clicks or typing.
Quote:
The idea is to do away with physical keyboards altogether and replace them with the user’s own body. A projection system will display the keypad on your arm, then sensors would read the input based on which finger you used, and where it struck. To answer an incoming phone call, you could snap your fingers and a Bluetooth earpiece could take the call. To open a folder, you could touch your pinky to your thumb. A series of sign-language-like controls would be customizable, allowing the user to operate a computerized device without a physical unit.
http://www.digitaltrends.com/computi...-touchscreens/
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