Dark data is the information companies collect but don’t use, like old files or...

https://www.alphabookmarks.win/dark-data-is-the-info-companies-collect-but-never-use-it-can-be-60-80-of

Dark data is the information companies collect but don’t use, like old files or inactive emails. Around 60-80% of stored data sits idle, taking up space and costing businesses up to $2.5 million a year in unnecessary storage and management fees