Brendon Slotterback has a nice post at Streets.mn about why we should welcome a robot car future.
Autonomous cars are certainly an impressive technical accomplishment, but check out these autonomous helicopters:
These are really cool. Here is a story about them. Here is a story about swarming flying robots from a couple of months ago. Maybe someday we will all have Wonkavators.
Bonus: Here is an older New Scientist article about revolutionary elevator systems. Sadly, it seems these haven't caught on.