A great thread. Though why not use the web as your platform? Micro.blog can do the work to help you own your identity & data, and as @EthanZ suggests it will also allow you to crosspost to both Twitter & Mastodon to stay in touch with the people you chose.

Reposted a tweet by Matthew KirschenbaumMatthew Kirschenbaum (Twitter)
This thread is one of the reasons the academics I’ve seen in the Domain of One’s Own Space have so much more freedom and flexibility in online spaces.