This seems super timely.

"Your Favorite Social Network Just Shut Down. Now What? ...In this short midweek episode, Neville and Shel discuss the fragmented nature of social networks and how the fediverse might one day resolve issues like those faced by refugees from Google Plus, Twitter, and other social networks that were no longer available or suited their needs...."

https://www.firpodcastnetwork.com/fir-402-your-favorite-social-network-just-shut-down-now-what/