Read this article by Russ Mitchell and Tracey Lien. Here's an excerpt:
The robot cars aren’t coming. The robot cars are here. A fleet of Fords and Volvos, capable of driving themselves, is fully equipped and ready to hit the streets of Pittsburgh within weeks. The cars will be deployed by Uber, the ride-hailing company. Experimental robot cars already prowl streets and highways. But in this case, Uber customers will be inside. An Uber employee will be at the wheel in case things go wrong. But, eventually, Uber intends to render human drivers unnecessary. “Uber is accelerating its plan to replace its 1 million human drivers with robots as quickly as possible,” Uber Chief Executive Travis Kalanick said in a blog post Thursday.