So soon, we'll all be driven autonomously 80% of the time, and 20% of the time, some guy will drive. At that ratio, it seems on-demand transportation wins over

So soon, we'll all be driven autonomously 80% of the time, and 20% of the time, some guy will drive. At that ratio, it seems on-demand transportation wins over cars, and the end result is the same - we don't drive.