> you can’t be the marketplace and sell through that marketplace To be competitive, you can and you should. Amazon is a platform company. Platforms commoditi

> you can’t be the marketplace and sell through that marketplace To be competitive, you can and you should. Amazon is a platform company. Platforms commoditize the complements. They didn’t have toys, so partner Toys’R’Us, didn’t have shoes, so partner Zappos, etc. As the platform, platforms observe transactions, such that through time, they can value complements and decide to co-exist, acquire, or compete. This is by now a well-known strategy. Rabbit hole: https://www.gwern.net/Complement https://www.gwern.net/Complement