How driverless cars will change our world

Under the artificial glare of street lamps, a car can be seen slowly approaching. A green and blue'W' glows from the windscreen, giving off just enough light to see inside – to a completely empty driver seat. When they open the door to climb inside, a voice greets them over the vehicle's sound system. "Good evening, this car is all yours – with no one upfront," it says. This is a Waymo One robotaxi, hailed just 10 minutes ago using an app.