Dark data is all the stored info your team doesn’t use but still pays to keep....

https://wiki-saloon.win/index.php/Why_Does_Dark_Data_Make_Search_Results_So_Noisy_Inside_the_Company%3F

Dark data is all the stored info your team doesn’t use but still pays to keep. It can make up 55% of your data, driving up costs and security risks. Plus, when AI tools pull from that clutter, they get noisy results, slowing projects down