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

https://brookssniceop-ed.bearsfanteamshop.com/is-dark-data-the-same-thing-as-unstructured-data

Dark data is the information companies collect but never use. It can make up 60-80% of all stored data and often just takes up space and drives up costs. Ignoring this unused data can waste around $2