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

https://uniform-wiki.win/index.php/How_Do_I_Keep_AI_Pipelines_from_Ingesting_Junk_and_Drafts%3F

Dark data is all the information companies collect but never use—like old files and logs. It makes up 60-80% of stored data and can cost businesses up to $2.5 million a year just to keep