eli5 if captchas learn from your selections, how does it know you selected the right choices?

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I saw a video recently that said that captchas learn from the user as a way to train AI, but how does it know that you selected the right option? I’m talking about the captchas that tell you to select all the fire hydrants or traffic lights

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Anonymous 0 Comments

Multiple people answer the same question. If 80% of the people say this red corner is a fire hydrant and 20% say it’s not, the AI is rather confident it is.

You remember that Millionaires quiz show? You could ask the audience which multiple choice answer they think was correct. If a large enough percentage votes for answer C, so should you. People who are right will often agree on a fact, while people who are wrong will give a number of different answers.

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