Dark data is all the information companies collect but never use—think old...

https://domgodwinson38.gumroad.com/p/why-do-ai-answers-hallucinate-when-there-are-duplicate-documents

Dark data is all the information companies collect but never use—think old emails, forgotten files, or unused logs. It can make up 60-80% of stored data, quietly eating up storage costs and slowing down systems