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iPhone owners say the latest iOS update is resurfacing deleted nudes
(www.theverge.com)
This is a most excellent place for technology news and articles.
That's skipping over the fact that recovering deleted data, even if it isn't overwritten, is not an "oops". It it takes extra effort, and if that data isn't being protected it would be overwritten incidentally as drives are used.
There is a big difference in a database between "flagging" data and actually removing the association of the data to the database.