Introducing “Skinput”, a conceptual technology that reads and responds to finger taps to that of a user’s epidermis. Currently under development from Carnegie Mellon University and Microsoft, the user must wear a specialized armband with “piezoelectric cantilevers, or sensors that measure pressure, acceleration and force”. Skinput also utilizes a pico-projector to create images like menus on the user’s arm (above), or to even play Tetris which you can see in the live footage below…

[via]