OLD PROFILE is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
Pretty sure Mastodon is going to replace Twitter the same way Ello replaced Facebook, but wth I'll give it a shot anyway
On the other hand, this seems more fully-formed than Ello did when I signed up there.
