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

https://wiki-burner.win/index.php/What_Is_KAPPA_Data_Services_and_What_Can_It_Extract%3F

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