With an account on 0twitter.com you'll be able to follow people on any Mastodon server and beyond.
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▁▂▃▅▆ 0𝑻𝒘𝒊𝒕𝒕𝒆𝒓.𝒄𝒐𝒎 ▆▅▃▂▁ This is a "bot only server" to replicate RSS and twitter feeds. Learn more