> "better than a yellow cab" Better than a yellow cab (UberX) isn't the interesting part of Uber's business, Pool (and a swarm of dynamically routed cars buzzi

> "better than a yellow cab" Better than a yellow cab (UberX) isn't the interesting part of Uber's business, Pool (and a swarm of dynamically routed cars buzzing around a city, picking up and dropping off people and cargo) is. Further, that swarm becomes more cost-effective the larger it is.