Dark data is all the info your company collects but never uses—often 55% of it...

https://www.easybookmarkings.win/dark-data-is-the-55-of-stored-information-that-sits-unused-but-still-costs

Dark data is all the info your company collects but never uses—often 55% of it just sits there. This inactive data costs money to store, exposes you to security risks, and clutters AI systems with noise, making it harder to get real insights