Don't underestimate the difficulty of those hurdles. Driverless cars are a technology that will be directly responsible for human deaths. We as a society don'

Don't underestimate the difficulty of those hurdles. Driverless cars are a technology that will be directly responsible for human deaths. We as a society don't have a legal or ethical framework to deal with that sort of thing yet. Driverless cars could very well be the first deployment of autonomous robots within the general public, that is significant.