“One day, while you are driving along, an unfortunate set of events causes the car to head toward a crowd of 10 people crossing the road. It cannot stop in time but it can avoid killing 10 people by steering into a wall. However, this collision would kill you, the owner and occupant. What should it do?” MIT Tech Review on why self-driving cars must be programmed to kill. (In the above scenario, I’m pretty sure the car needs to know how many Twitter followers each of the potential victims has before making a final decision.)