[Mozilla.social was a small instance, having only 270 active users at the time of Tuesday’s announcement. By comparison, the most popular Mastodon instance, Mastodon.social, has over 247,500 monthly active users.]

Mozilla exits the fediverse and will shutter its Mastodon server in December | TechCrunch
https://techcrunch.com/2024/09/17/mozilla-exits-the-fediverse-and-will-shutter-its-mastodon-server-in-december/