Dark data is the vast amount of information companies store but never use—up to...

https://www.bookmarkingvictor.win/dark-data-is-the-inactive-or-unused-information-that-piles-up-in-your

Dark data is the vast amount of information companies store but never use—up to 80% can sit inactive. It matters because this unused data costs businesses around $2.5 million every year in storage and management