Steemit is completely separate from Facebook and you have to create an account there. In terms of interface, it's a lot like reddit. The thing that makes Steem

Steemit is completely separate from Facebook and you have to create an account there. In terms of interface, it's a lot like reddit. The thing that makes Steemit unique is that to create your own version of Steemit, you just build an interface on the blockchain. You and every other developer has unlimited access to Steemit users, followers and other data. This allowed projects like DTube (a decentralized Youtube) to immediately have millions of users. If the Steemit website starts placing ads everywhere for example, someone can create a different better interface. The point of this decentralization is exactly what the author mentions. You decouple user data from the interface enabling companies to compete on interfaces instead of network effects.