Yeah definitely. There was no way you could rent out your house before Airbnb. Uber for X is a new concept if nobody has done it before. Sure you can say it's

Yeah definitely. There was no way you could rent out your house before Airbnb. Uber for X is a new concept if nobody has done it before. Sure you can say it's obvious but most business ideas are, especially in hindsight. The idea is the easy part.