The fight against spammers will go on forever. Google has a new way to combat them.
Google today released an update to its reCAPTCHA system that creates different classes of CAPTCHAs for different kinds of users. In short, it makes your life easier if you’re a human, and your work much harder if you’re a bot.
For those who have encountered CAPTCHAs and reCAPTCHA, but have no idea what they are, here’s a quick primer. CAPTCHA stands for “Completely Automated Public Turing test to tell Computers and Humans Apart”, and as its name implies, it is a quick test used in computing to determine whether or not the user is human. You’ve probably encountered hundreds of these if a site decides to verify whether you’re human or not.
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