Dark data is all the information companies collect but never use—think old...

https://www.bookmarking-keys.win/dark-data-is-all-the-information-your-company-collects-but-never-uses-think

Dark data is all the information companies collect but never use—think old emails, forgotten files, or unused logs. It can make up 60-80% of stored data, quietly eating up storage costs and slowing down systems