Daisywheel divides the alphabet into eight groups of four, assigning each letter to a controller facebutton based on the position of the left-analog stick.
The fingertip-sized UbiChip that forms the guts of the device can be put into pretty much anything provided it's in contact with your skin and it can detect the shock so you could turn on a Bluetooth headset by tapping your earlobe rather than fumbling for a button, or tweak the volume of your cellphone by tapping your face.
Though it sacrifices genuine leather in favor of a rubber coating, its contours and features are similar, down to the Engine Start button (here, a d-pad) and the turn signals (replaced with face buttons).
The heartthrob actor proved he's more than just a pretty face when he earned a Best Actor nomination for his work in The Curious Case of Benjamin Button.