Apologies (and considerable self-guilt) for wallowing in Twitter news, but this is quite the moment.
I've just caught the BBC's top-of-the-hour newscast, and the fact that Twitter is banning posts / profiles for referencing other services made the news summary.
Web story: https://www.bbc.com/news/business-your-money-64021412'
For anyone who doesn't think this isn't huge news with global impact, think again.
NPR as well as of the 5pm E.T. news rundown, nothing on the website yet.
More current reporting:
NYTimes: https://www.nytimes.com/2022/12/18/business/twitter-ban-social-media-competitors-mastodon.html
Washington Post: https://www.washingtonpost.com/technology/2022/12/18/twitter-policy-links-to-social-sites/
Deutschlandfunk: https://www.deutschlandfunk.de/links-zu-konkurrierenden-online-plattformen-werden-verboten-106.html