Dark data is all the inactive or unused information a company stores but never...

https://echo-wiki.win/index.php/Why_Do_AI_Agents_Get_Worse_When_They_Search_Old_Folders%3F

Dark data is all the inactive or unused information a company stores but never analyzes. It can make up 60-80% of your data and typically costs businesses around $2.5 million each year in wasted storage and management