phooky is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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I wrote a thing for In the Mesh about how Mastodon is different like a mall but the Cinnabon is an embassy too: https://inthemesh.com/archive/mastodon-the-federated-model-of-social-networks/. 
@huertanix kudos for linking an instance that had already shut down by the time this was published-- tres Mastodon :)
@huertanix at least we still have occult.camp
@huertanix btw I super hate it when an instance's front page "look inside" is the federated steam, giving you exactly zero insight into that instance
@phooky RIP witches.town.