Dark data is the stuff companies collect but never use—up to 80% of their...

https://cesarsuniquenews.theburnward.com/why-do-backup-costs-explode-when-you-keep-old-files

Dark data is the stuff companies collect but never use—up to 80% of their information just sits there. It matters because it takes up space, slows systems down, and can cost businesses millions every year in storage and missed insights