. >> reporter: jury heightston has been selling car for 40 years he points to ae points to adaptive cruise control, way out technology now on many new models. test cars have wracked up 200,000 miles. google's patent predicts sightseeing tours, cars driving themselves in for service even regular commutes with no one touching the wheel. >> it's scary out there enough but to have a computer, no, sorry. don't trust it. >> reporter: some think it's perfect. say for deliveries. >> more efficient. definitely more efficient. with family, no i don't think so. i think i would want to be with the family in the car. >> reporter: google declined our request for comment. technology directors say it'll be years before any driverless cars will be for sale. a big question is what happens if the internet goes down and driveless cars crash who's liable? reporting live, john fowler, ktvu channel 2 news. >>> facebook launched it's new time line feature worldwide today. time line is meant to turn web pages into a big scrapbook of memorable posts and big events. once selected they will have a week to move embarr