Dark data is the information companies store but never use—up to 55% of all...

https://stateofseo.com/how-do-pharma-teams-tag-research-files-with-project-codes/

Dark data is the information companies store but never use—up to 55% of all stored data just sits there. This hidden stash matters because it adds to storage costs, risks data breaches, and clutters AI projects with useless noise