From Fidelity: Elon Musk has wiped out 72% of Twitter's value since taking over
fortune.com
fortune.com
IMO, this sort of held up, even with Musk's hijinks. There has been no mass migration to Bluesky, Mastodon, or Threads. The problem is, people are just moving shortform expression to video-based networks, like TikTok or Instagram.