Dark data is all the information companies collect but never use, often making...

https://messiahssplendidjournals.lowescouponn.com/how-do-i-set-up-governance-controls-before-ai-ingestion

Dark data is all the information companies collect but never use, often making up 60-80% of stored data. This inactive data can cost businesses up to $2.5 million each year in storage and management fees