Dark data is the information companies collect but never use. It can make up...

https://lima-wiki.win/index.php/What_Is_the_Fastest_Way_to_Spot_Files_Not_Accessed_in_Years%3F

Dark data is the information companies collect but never use. It can make up 60-80% of all stored data, quietly taking up space and resources. Ignoring it wastes over $2.5 million every year on storage and management costs