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

https://www.bookmarkpage.win/dark-data-is-the-inactive-or-unused-information-that-piles-up-in-your

Dark data is the information companies collect but never use—think old emails, log files, or forgotten documents. It makes up 60-80% of stored data and quietly drains resources. Ignoring it can waste over $2