International Web censorship will probably lead to the fragmentation of the big services and a bunch of smaller, more local ones. Singapore has ordered Facebook, an American company, to "correct" a post by an Australian. https://www.reuters.com/article/us-singapore-fakenews/singapore-tells-facebook-to-correct-users-post-in-test-of-fake-news-laws-idUSKBN1Y3093
Liberdon is a Mastodon instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal from jack or zuck. It was created in the wake of the Great Twitter Cullings of 2018, when a number of prominent libertarian accounts were suspended or banned.