In January 2021, Glenn Greenwald explained how the social media app Parler was brought down by big tech: How Silicon Valley, in a Show of Monopolistic Force, Destroyed Parler.
Censorship has increased dramatically in the last two years, most of it not from governments, but from the organisations which control social media, which cover large areas of worldwide human communication.
At the same time, Bitcoin has grown and grown, a peer-to-peer, decentralised way of exchanging money for goods, out of the control of banks and governments. The underlying technology of Bitcoin - Blockchain - has been proposed as the basis for an open source social media network which could not be censored or closed down, by several sources. I first got the idea from Claire Lehmann.
A summary of some of these proposals can be found here on bitcoinmarketjournal.com: Top 10 Blockchain Social Media Platforms for Content Creators, Rated and Reviewed for 2020. Of these, Minds, Voice, and Steemit appear to me to be the most viable.