maybe somebody else is missing the point of the thread, but anyway - how long will it be before complete robo-control of our cars? is this what you mean by 'wally world'?
we jump and strap ourselves into our (super fast) sleek curvy vehicle, tap in the coordinates/address into the robo-navigator (or just speak or think in a certain way), and the satellites, motion/collision detectors and cpu's will take care of the rest. *shudders*
i think i would prefer teleportation.
beam me up scotty!