Yesterday I read the excellent article by Cory Doctorow: Let the Platforms Burn and this particular anecdote The thing is, network effects are a double-edged sword. People join a service to be with the people they care about. But when the people they care about start to leave, everyone rushes for the exits. Here’s danah [...]
I think fediverse is used to refer to everything including Mastodon. The most people just rely on context.