The Video Thread

astgte said:

I’d not normally doubt QI but is thus true

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“For most users, this dramatically simplifies the experience,” says Vinay Shet, the product manager for Google’s Captcha team. “They basically get a free pass. You can solve the catptcha without having to solve it.”

Google's new captcha, which requires only a click in a checkbox.Google's new captcha, which requires only a click in a checkbox.
Instead of depending upon the traditional distorted word test, Google's "reCaptcha" examines cues every user unwittingly provides: IP addresses and cookies provide evidence that the user is the same friendly human Google remembers from elsewhere on the Web. And Shet says even the tiny movements a user’s mouse makes as it hovers and approaches a checkbox can help reveal an automated bot.


“All of this gives us a model of how a human behaves,” says Shet. “It’s a whole bag of cues that make this hard to spoof for a bot.” He adds that Google also will use other variables that it is keeping secret---revealing them, he says, would help botmasters improve their software and undermine Google's filters.

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