“Isn’t it true to say that ... Novelty is mistaken for Progress?”
- Frank Lloyd Wright
 
 
It’s a breezy crisp afternoon in San Francisco. A white car with a spinning dark scanner set into its roof has just turned across the street in front of me. I stop and stare before fully realising why I’ve done so: neither a driver nor passengers are inside. Smoothly, the steering wheel turns of its own accord.
 
This isn’t yet a familiar sight, but ...