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BLUESKY URL
One good thing that Bluesky tried to do is — try to give you control of your identity.
They chose to do it using Internet domains.
So, rather than be @pfrazee․bsky․social , you can be @pfrazee․com
(I do think Internet domains have problems (as they can be taken away from you), but — it is an improvement.)
It makes it much more difficult to censor you, to unperson you, and to remove you from the social-network if you control your own identity.
HOWEVER —