Difference between revisions of "ReCAPTCHA"
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[[Image:recaptcha.gif|right]] | [[Image:recaptcha.gif|right]] | ||
= Description = | |||
A [http://recaptcha.net/captcha.html CAPTCHA] is a program that can tell whether its user is a human or a computer. You've probably seen them — colorful images with distorted text at the bottom of Web registration forms. CAPTCHAs are used by many websites to prevent abuse from "bots," or automated programs usually written to generate spam. No computer program can read distorted text as well as humans can, so bots cannot navigate sites protected by CAPTCHAs. | A [http://recaptcha.net/captcha.html CAPTCHA] is a program that can tell whether its user is a human or a computer. You've probably seen them — colorful images with distorted text at the bottom of Web registration forms. CAPTCHAs are used by many websites to prevent abuse from "bots," or automated programs usually written to generate spam. No computer program can read distorted text as well as humans can, so bots cannot navigate sites protected by CAPTCHAs. | ||
[http://recaptcha.net/learnmore.html More info] | |||
= Implementation in MOR = | |||
Revision as of 07:21, 28 May 2009
Description
A CAPTCHA is a program that can tell whether its user is a human or a computer. You've probably seen them — colorful images with distorted text at the bottom of Web registration forms. CAPTCHAs are used by many websites to prevent abuse from "bots," or automated programs usually written to generate spam. No computer program can read distorted text as well as humans can, so bots cannot navigate sites protected by CAPTCHAs.
