Touchscreens may be all the rave these days, but soon you could be able to play a bit of a cyborg with inputs embedded in your forearm. Theoretically, your arm could be the control panel for your gadgets. For the technology to work in the least invasive way, you’d require a pica projector and a microphone. The projector creates images of the buttons on your arm, while the mic picks up sounds when you tap your arm and translates them into action by recognizing the “button” you tapped. Or you could get tattoed with the buttons and do away with the projector. The technology is currently in the development phase.