Dark data is the information companies collect but never use. It can be 60-80%...

https://www.bookmarking-planet.win/dark-data-is-the-inactive-or-unused-data-stored-but-never-analyzed-around-55

Dark data is the information companies collect but never use. It can be 60-80% of their stored data, taking up space and costing money to manage. This unused data creates risks and slows down systems