I think lots of people are considering that option, but they're going further - why stop at an apartment block? Here in Seattle, we already have three citywide

I think lots of people are considering that option, but they're going further - why stop at an apartment block? Here in Seattle, we already have three citywide fleets of pay-as-you-go car services: Zipcar, Car2Go, and ReachNow. We've already left the extreme individualistic model behind - you no longer have to own a vehicle personally, you can simply use a shared car whenever you need to drive somewhere. With Car2Go and ReachNow, you're not even using a specific shared car - you just look on the map, walk over to whichever car happens to be parked nearest, hop in and go, then leave it parked at your destination. Maybe you'll drive the same car home, or maybe there'll be a different one; it doesn't really matter. By the time self-driving car technology works well enough for general use, I expect this model will have become so common that most people will never buy - or even consider buying - their own personal self-driving car. Instead, we'll sign up for services that combine the "fleet of shared vehicles" model with the "ride-sharing app" model. You won't have to purchase the vehicle, pay for parking space, or worry about maintenance; you'll merely download an app and use it to summon a car when you want to take a ride somewhere.