Dark data is the information companies collect but never use. It’s usually...

https://www.bookmark-suggest.win/dark-data-is-the-information-your-business-collects-but-never-uses-often-55-of

Dark data is the information companies collect but never use. It’s usually older files or unused backups, often making up 60-80% of all stored data. This hidden bulk slows systems, drives up storage costs, and wastes about $2.5 million annually on average