Dark data is the information companies collect but never use. It can be as much...

https://www.bookmarking-fox.win/dark-data-is-the-information-companies-collect-but-don-t-use-like-old-files-or

Dark data is the information companies collect but never use. It can be as much as 60-80% of all data stored, quietly taking up space and costing money. On average, businesses waste around $2.5 million a year managing this inactive data