>it exists. driverless cars are a thing. I think what you're saying is true as far as it goes. Also, if you allow cars that can only drive in a limited list of

>it exists. driverless cars are a thing. I think what you're saying is true as far as it goes. Also, if you allow cars that can only drive in a limited list of places, we've had driverless cars for 30 years. So do with that what you will. For me, I would say that when anyone can order a self-driving car to go from any point on a road in California to any other point on a road, we're clearly there. One city seems far too small.