GPS is currently the most popular location method available on the market. However, it's hard to say conclusively if it's the only worthwhile technology. Check out the alternatives.
Seat belts protect from the effects of an accident, but can be a hindrance when pulling the injured from the wreckage. A special knife is used to cut them, and the fire department, among others, is equipped with it. But is it worth to carry it in the car?
Will the cars that will appear in the next 50 years not have the form of the cars we know well? Scientists from around the world who study the automotive market come to this conclusion.