Haptic sneakers give you turn-by-turn directions through vibrations in your feet
by Cory Doctorow from on (#1E0Y6)
Low-cost carrier Easyjet has prototyped "Sneakairs," a pair of shoes that have small vibrating motors and Bluetooth links; they work in concert with your mobile phone's mapping app, buzzing left or right when it's time to turn, and twice if you've gone the wrong way. (more")