All of us have probably run into spam bots or at least heard about them at some point in time. For a long time I have been battling with spam comments made by bots, and this has driven me to a point where I have decided to stop them once and for all…I was able to come up with an algorithm that can eliminate all the current generation of spam bots. I was able to do it by adding an extra layer of complexity into the problem of choosing images. I named my program “Are yoU a Human?” or RUH for short […].

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