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

https://cashsbrilliantperspectives.cavandoragh.org/how-can-dark-data-raise-ai-token-costs

Dark data is all the info your company collects but never uses—up to 55% of it. This inactive data isn’t just wasting storage; it can cost you millions and create noise that confuses AI systems