The interesting thing is that reading about the LIDAR-on-a-chip is how do thousands of cars keep who's radar is who's? You'd have to put a serial number in the beam somehow, which means that you can put a detector on the street and track vehicles very easily. 10 years is three machine generations. I have no doubt that by the time these cars are ready, the production demands will drop the price per unit much like CPU prices have plunged. If they can make a $5 Raspberry Pi, they can find a way to do cheap LIDAR using the steel/aluminum in the car as the antenna. The thing is that what seems improbable now only needs time talent and money to make commonplace. In 12-14 years when it is time for me to buy a new car, I don't doubt that this tech will be an option.