Supposedly that "captcha" human verification security feature websites use have more or less been using you to identify words and images to train artificial intelligence. We could have been feeding them wrong info all along, and in same/many but not all cases, not been allowed to proceed to the website. They only need to include 1 unknown word/picture that you could get wrong and still get a pass, because that's the freebie you were teaching AI how to recognize.

Fooling us into serving the tech they want to use to control us with