“I have this idea. In San Francisco it’s hard to get a taxi. I want to buy five Mercedes,” Camp said, taking out his phone and showing him a picture of a Mercedes-Benz S550, a high-end coupe that sold for around a hundred thousand dollars. “I’m going to buy the cars with some friends and we’re going to share drivers and the cost of parking.” He showed mock-ups of iPhone screens demonstrating how cars would move on maps and how passengers might see a town car coming toward them.

