I don't have to compete with them globally from the start. I compete in one market, then two, then... There's no lock-in here. "Oh, some other service cropped

I don't have to compete with them globally from the start. I compete in one market, then two, then... There's no lock-in here. "Oh, some other service cropped up in my area and the rides are 50% that of Uber's? Ok, I'll download a new app" I don't think any of this nonsense is sustainable.