Imagine this: a driverless car cruises around in search of passengers. After dropping someone off, the car uses its profits for a trip to a charging station. Except for it's initial programming, the car doesn't need outside help to determine how to carry out its mission. That's one "thought experiment" brought to you by former …

Imagine this: a driverless car cruises around in search of passengers. After dropping someone off, the car uses its profits for a trip to a charging station. Except for it's initial programming, the car doesn't need outside help to determine how to carry out its mission. That's one "thought experiment" brought to you by former …