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OpenAI strikes Reddit deal to train its AI on your posts
(www.theverge.com)
This is a most excellent place for technology news and articles.
I don't think it is in backups only. My guess is they store your full edit history for each comment/post/whatever. Newest one will be shown on the frontend, rest is for data vampires
This is it exactly. Edits to use are "changed". To the back end it's just an iteration while the rest still exist.