Biometrics do have their disadvantages, but the technology is undeniably cool.  Automotive Technology Research and Development (ATRD) has brought biometrics into your car as an aftermarket option to help deter vehicle theft with the Biometric Immobiliser.  The premise is simple enough - you have a fingerprint reader that is placed in an easily accessible location and positive identification of your finger is required before the car can be started.  The brains of the Immobiliser are in a steel enclosure designed to be hidden away within the car, and the unit is capable of working as a stand-alone device or in conjunction with an existing alarm system. 

Read More | ATRD via Coolest Gadgets