https://www.siliconvalley.com/2022/11/07/people-are-fleeing-twitter-for-mastodon-what-is-it/

In the week since Elon Musk took over Twitter, the number of people signing up for a small social network called Mastodon has surged.

You may not have heard of Mastodon, which has been around since 2016, but now it’s growing rapidly. Some are fleeing Twitter for it or at least seeking out a second place to post their thoughts online as the much more well-known social network faces layoffs, controversial product changes, an expected shift in its approach to content moderation and a jump in hateful rhetoric.