[photo via Google Blog]
Google has acquired ReCaptcha, one of those companies behind the distorted text boxes at the bottom of many Web site sign-in pages.[via Frenzy Blogging]
Terms of the deal were not disclosed, but Google plans to use ReCaptcha's technology both as a security measure within certain Google sites and to make its massive book-scanning project a little smarter, the company said in a blog post. ReCaptcha is an offshoot of Carnegie Mellon University's School of Computer Science, and puts a twist on the traditional captcha: a string of letters in squiggly text meant to confuse spam bots and other nonhuman Web pests.
The idea behind a captcha is to confuse a computer, but computers are also confused by some words written in fonts used long ago. ReCaptcha offers two words, one of which is a captcha it already knows, and one of which is a word it doesn't know. The thinking is that if you get the first word right, you're likely a human and you're also probably going to get the second one right.
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