Dark data is all the information companies collect but never use—often 60-80%...

https://wakelet.com/wake/V06IW_OFkN4VrJoiRwmVY

Dark data is all the information companies collect but never use—often 60-80% of stored data sits inactive. This hidden stash isn’t just wasting storage space; it can cost businesses up to $2.5 million each year in unnecessary expenses