optional de-centralized hosting, unified cryptocurrency as payment tokens, single open LLM as summary and search-indexing tool, specialized toolkits for journals and social networks (livejournal, early twitter, early fb). Most importantly: you can post anonymously where its allowed (there could be areas where it can be disallowed entirely, like a public square), but your account will take the punishment, so no edgy shitposting behind throwaways.