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A Call to Action: Universities of the World, Join the Fediverse!
(netzpolitik.org)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
the first amendment only applies in one country
True, but many constitutions have similar clauses
Not really, and it's not that big of an issue in general. Most of Europe has laws against the non-educational/historical display of authoritarian symbols for example.
Also on point to the topic, the municipality of Amsterdam runs its own Mastodon instance which is read-only.