Not that long ago, things like robot vacuum cleaners or self-guided lawn mowers seemed like science fiction. Now, nobody bats an eye at a robot scooting around the living room.
So how long will it be before we're getting around in cars that don't need drivers?
Just a few years, according to Google.
The company has developed a prototype which is apparently now ready for its biggest test: the demands of the city.
Justin Webb, who's with Stateside partner BBC, went for a test drive at Google headquarters, and joined us to describe the experience.
Hit the jump to see what it looks like to be in a driverless car by watching Google's video.