There are only two kinds of businesses in this world: Businesses in crazy competition, and businesses that are one of a kind.
Peter ThielWhen you already have $150 billion a year in revenues from the iPhone, it's very hard to come up with any new vertical that will sort of move the dial. And there's this sort of weird effect where the larger a company gets, the harder it is to come up with any new product that really moves the dial.
Peter Thiel