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

https://instaquoteapp.com/how-do-you-run-a-deletion-workflow-without-getting-sued-later/

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