It doesn't seem like self driving cars will be viable for the foreseeable future at Uber scale, the problem is just way too hard to generalize across the entire

It doesn't seem like self driving cars will be viable for the foreseeable future at Uber scale, the problem is just way too hard to generalize across the entire U.S. market and there are dozens of unsolved security and safety issues that I think will keep things cost prohibitive for a while. I think you'll definitely see it on a small scale in certain cities, but it's not coming to suburbia or the boonies any time soon.