So, I registered and all that. I wonder, though, what's the fluff about federation. Does it mean I can mention and follow people from other Mastodon servers? And if not, what's the point of registering on any server other than the largest one?

Mastodon

Invite-only Mastodon server run by the main developers of the project 🐘 It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!