Ever since an infantile fascist billionaire (hereafter, the IFB) decided to turn Twitter over to the racially hostile anti-science set, folks who previously used that network daily to discuss and amplify topics they cared about have either given up on the very premise of a shared digital commons, continued to post to Twitter while holding their noses, or sought a new digital place to call their own. This post is for the seekers, to compare notes.