Vigo: The Bluetooth headset that keeps you awake at the wheel

Pounding coffee and Red Bull can only do so much to keep a driver from falling asleep at the wheel. But one company has developed a discreet Bluetooth headset that nudges you before you doze off. The Vigo Bluetooth headset uses an infrared sensor, an accelerometer and an algorithm that tracks blinking patterns and head [...](via Cult of Mac - Tech and culture through an Apple lens)