it's going to take at least 20 years to really go from mostly human to hardly any human drivers. Right, and if it starts 10 years from now that's consistent wi

it's going to take at least 20 years to really go from mostly human to hardly any human drivers. Right, and if it starts 10 years from now that's consistent with Stross's "30 years from now". In time-scale, if not in exact outcome.