Dark data is all the info companies collect but never use. It makes up about...

https://atomic-wiki.win/index.php/What_Are_Common_Examples_of_Dark_Data_in_IT_Departments%3F

Dark data is all the info companies collect but never use. It makes up about 60-80% of stored data and just sits there, costing organizations around $2.5 million every year in storage and management