Dark data is the unused information sitting idle in your systems—up to 60% of...

https://felixssuperperspective.brightsora.com/posts/how-do-i-build-a-dark-data-cleanup-plan-that-legal-will-approve-2

Dark data is the unused information sitting idle in your systems—up to 60% of it inactive. It quietly racks up storage costs and creates security risks. When AI tools pull from this clutter, they drown in noise, wasting time and resources