Email: Twitter tells advertisers that they must have "a verified checkmark or subscribe to either Twitter Blue or Verified Organizations" to keep running ads (Paul Sawers/TechCrunch)

Paul Sawers / TechCrunch:
Email: Twitter tells advertisers that they must have “a verified checkmark or subscribe to either Twitter Blue or Verified Organizations” to keep running ads  —  As Twitter's legacy blue check mark system finally comes to an end, the social network's new paid-for verification system …