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Meta’s new AI image generator was trained on 1.1 billion Instagram and Facebook photos
(arstechnica.com)
This is a most excellent place for technology news and articles.
Deviantart has already done this since the AI image hype train first started. Every picture by default is selected as material for AI training; pictures have to be manually deselected by the user to be excluded. And of course it's a nightmare for those with tons of art submissions.
Facebook/Instagram may end up having to something like that in the future but I doubt it until someone higher up does something about it.