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

https://source-wiki.win/index.php/What_is_%E2%80%9CAI-Ready_Data%E2%80%9D_and_How_Do_You_Get_There_from_File_Shares%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