People discovery isn't necessary with email, but it is for a social networking system. I want to be able to find other people in the fediverse, and I also want

People discovery isn't necessary with email, but it is for a social networking system. I want to be able to find other people in the fediverse, and I also want people to find me. Having your own server excludes you from other people's local timelines (and vice versa), making discovery in both directions very challenging.