But one of them actually makes something. For Tesla the issue isn't what they are selling, but how. For AirBnB and Uber, the issue is what (and even for Uber, t

But one of them actually makes something. For Tesla the issue isn't what they are selling, but how. For AirBnB and Uber, the issue is what (and even for Uber, that's really only an issue for UberX).