Twitter is inviting writers to embark on a new relationship, a type of Substack called "Twitter for Writers."  Sasha Latypova comments on it here.  The "agreement," if you sign up, includes the following:

Excerpt:  "You hereby authorize Twitter to use and reuse, and to grant others acting on Twitter's behalf the right to use ... your name, photograph, likeness (including caricature), voice ... and any reproduction or simulation thereof, in any form of media or technology now known or hereafter developed (including, without limitation, film, video and digital or other electronic media) in connection with Twitter's promotional and marketing activities."

Once on this platform, you no longer own your likeness or your voice!  e.g., Twitter says: Sasha says ...