Eugen is a user on mastodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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I don't understand Japanese, so I can't verify if it's all correct, but this diagram explaining Mastodon is *adorable* 👍 https://twitter.com/sameanko/status/853118806994034688
@Gargron has japanstodon made us a mascot in the style of the OS-tans yet?
