Dark data is the information companies collect but never use—like old files,...

https://garrettwigp625.tearosediner.net/how-do-i-keep-ai-from-pulling-regulated-data-into-answers

Dark data is the information companies collect but never use—like old files, emails, or system logs. It can make up 60-80% of all data, quietly filling up storage and slowing systems. Ignoring it wastes money, sometimes over $2