Twitter first announced in 2018 it would effectively hide some tweets from conversations and search results, according to The Washington Post's Will Oremus.
Critics, and there were many, especially as prominent Republicans were impacted, referred to Twitter's practice of limiting certain tweets' visibility as "shadowbanning."
In her thread, Weiss said Twitter's Strategic Response Team - Global Escalation Team, known as SRT-GET, was the body tasked with deciding which users were marked for "visibility filtering."
The description outlined by Weiss of Twitter's internal moderation policy appears to fall in line with Musk's own recently-announced approach to content moderation on the site: "Freedom of speech doesn't mean freedom of reach.
But Weiss, a former New York Times columnist, is not thought to be a current employee at Twitter.