> PS: not related, but here's a thought: why is it necessary to have a special node system? Won't a super-simple, super-private social network work just as well

> PS: not related, but here's a thought: why is it necessary to have a special node system? Won't a super-simple, super-private social network work just as well? No, it won't. Sure, central hubs can be private and simple, but they can't guarantee that they will stay so. Only distributed system could give you such guarantees.