Uber isn't just trying to replace the taxi industry. They're aiming much higher than that. They're aiming to replace all driving of all sorts. Personal. Logist

Uber isn't just trying to replace the taxi industry. They're aiming much higher than that. They're aiming to replace all driving of all sorts. Personal. Logistics. Everything involving road-based vehicles. They may not succeed, and I do think they're valued too highly. But based on the risk factors in their plan, not based on the scale of one small market segment they're aiming for.