Dark data is the information companies store but never use. It can make up...

https://www.fastbookmarks.win/dark-data-is-all-the-information-companies-collect-but-never-use-it-can-make

Dark data is the information companies store but never use. It can make up 60-80% of all data, quietly taking up space and resources. Ignoring it costs businesses an average of $2.5 million every year in wasted storage and missed opportunities