These would be buses on steroids. Imagine if you could fire up an app on your phone that would make a driverless car magically appear to take you somewhere. O

These would be buses on steroids. Imagine if you could fire up an app on your phone that would make a driverless car magically appear to take you somewhere. Once you get to that somewhere, it would scurry off to take someone else somewhere or recharge or go towards where Google's analytics show that it's likely to be needed next.