troyhunt writes "We’ve all become accustomed to dealing with CAPTCHAs during the signup process for all sorts of different online accounts where the service owner wants protection from automation via bots. The basis of CAPTCHA is that it takes a human to solve; but what if we automate the humans? And then multithreaded them to work in parallel? Turns out the entire process can be implemented very easily and very cheaply such that CAPTCHAs can be circumvented for a fraction of a cent each."
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