On 4chan, the world's largest image board with the highest number of hits in the English-speaking world, users must pass a CAPTCHA to prove they are human before posting a message. Full-stack software ...
a CAPTCHA that asks you to click on an image of a pedestrian crossing or decipher distorted text. Advances in technology have made it easier for bots to crack CAPTCHAs, so CAPTCHAs are becoming more ...
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