Wrote up the thing that trips up nearly every newcomer to Mastodon:

The server picker page isn't asking you to pick a Mastodon. it's asking you to pick a neighborhood. ActivityPub is the road system — it's open, it's shared, it connects every instance to every other instance that hasn't blocked it. what you're choosing is the community whose timeline, rules, and culture shape your local experience.

Some things worth knowing before you choose:

→ Most major instances are donation-funded, not ad-supported. the funding model is the governance model — chronological feeds, no blue-checkmark monetization, transparent admin posts, no quarterly growth pressure.

→ AI policy is now a real community differentiator. mastodon.art bans AI-generated content. fosstodon requires disclosure. infosec.exchange and hachyderm block AI training on user content. the general-purpose flagships are mostly silent — which is also a position.

→ Regional and language instances aren't lesser versions of mastodon.social. mstdn.jp, mastodon.uno, mastodon.scot — these communities have a center of gravity that the flagship can't credibly provide, and they're fully federated so you lose nothing by being on one.

→ The initial choice is revisable. account portability is built in. your followers move with you.

New piece walking through the full landscape:

→ https://federatedmind.com/mastodon-constellation-of-communities/?utm_source=peertube&utm_medium=social&utm_campaign=exploring-mastodon-1

Although this post is part of a mini-series called "Exploring Mastodon", I will also be doing a piece on PeerTube which will be part of a different mini-series. All of these mini-series are part of the bigger "Exploring the Fediverse" umbrella series. More on my site.