There has to be a large number of people and routes that are lined up together. One part is liquidity and the other part is product - there's a lot that can go wrong.

The world is going to go self-driving and autonomous. Because a million fewer people are going to die a year. Traffic in all cities will be gone. Significantly reduced pollution and trillions of hours will be given back to people - quality of life goes way up.

We like to think of Uber as the cross between lifestyle and logistics, where lifestyle is what you want and logistics is how you get it there.

As an entrepreneur, I try to push the limits. Pedal to the metal.

We have to bring out the truth about how dark and dangerous and evil the taxi side is.

My politics are: I'm a trustbuster. Very focused. And yeah, I'm pro-efficiency. I want the most economic activity at the lowest price possible. It's good for everybody, it's not red or blue.

Our whole goal is to drive the cost of taking an Uber BELOW the cost of owning a car.