Dark data is all the information companies collect but never use—think 60-80%...

https://domgodwinson38.gumroad.com/p/how-much-of-enterprise-data-is-usually-inactive

Dark data is all the information companies collect but never use—think 60-80% of stored data sitting idle. It matters because this forgotten data takes up space, drives up costs, and can hide risks. For example, businesses waste around $2