Johann Savalle 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 bought a book. It's full of high quality info that you can't just find online. Somehow that feels anachronistic.
https://octodon.social/media/75xYJXJrMsz4Z9ilAj8
@koos actually I just found the Ebook version
@jsavalle oh yeah totally forgot that that counts as online :D