To know what is reCAPTCHA simply click here
Okay this is screwed up.
when ever you fill reCAPTCHA you are actually working for someone. Surprised? Let me explain
unlike normal captcha, recaptcha has two words. Usually one of the word is a stranded computer generated one. while the other is some scanned word from book. Whats happening is that google and other big companies are scanning books. and converting them to digital form for their own good. BUT instead of spending money on it. they are getting millions of users to fill them for FREE.
so when one user enters one (computer generated) word correctly it accepts the other
eg: as in the above image if the user correctly enter the first word that is "overlooks" and after sapce enter in word lik cap,pig etc instead inquiry then he will be accepted easily
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