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I remember a Yahoo hackday from around 2009 where one of the teams created a captcha that required you to match photos to tags. Another team made a program that could look at a photo and assign tags. Mutually assured destruction.


Lo and behold the wonder that is adversarial AI - 11 years later we can automate this. My guess is that Google is quite happy about open source Recaptcha solvers. Delicious fodder for improving the adversary.


There were both automated 11 years ago using Flickr data.




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