@polychrome I know right ?! I wasn't even born when they started. It's such a modern approach. It is centralized, but it aims at providing users with a fundamental and actually useful tool : a user account.
This is truly the embryo of what social networks could have been if they hadn't been about exploiting users as a natural resource : a platform to learn and share where you can actually do stuff and you're not made to believe internet is «the web».