Twitter will remove accounts made to "promote other social platforms" and content that has links or usernames to Facebook, Mastodon, and others (@twittersupport)

https://twitter.com/twittersupport/status/1604531261791522817
http://www.techmeme.com/221218/p5#a221218p5

Twitter Support on Twitter

“We recognize that many of our users are active on other social media platforms. However, we will no longer allow free promotion of certain social media platforms on Twitter.”

Twitter
@Techmeme echo chamber for fragile egos
@Techmeme This include link.tree and lnk.bio.
@Techmeme does this mean they're going to kill the official FB and IG accounts?
Jay (@[email protected])

Future post from 2023: When #Mastodon URLs were first blocked by the `hardcore` team using coarse regular expressions, it only served to accelerate the #Fediverse algal bloom of various polymorphic self-hosted URLs fronted by globally resilient CDNs. https://www.techmeme.com/221215/p45#a221215p45

Jay's Mastodon instance