Dark data is the information your company collects but never uses—think of it...

https://www.bookmarking-keys.win/dark-data-is-all-the-information-your-company-collects-but-never-uses-think

Dark data is the information your company collects but never uses—think of it as digital clutter. Around 60-80% of data sits inactive, taking up space and costing businesses up to $2.5 million each year in storage and management