A CAPTCHA is a simple online test that humans can easily pass, but software programs struggle with. This test is used to deter hackers and spammers from copying email addresses and using online services. About.com explains CAPTCHA tests here...
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Thank you for explaining why CAPTCHA is so so hard. I’m glad there’s a proper and good reason. Until i read this article i stupidly thought CAPTCHA was so hard just to ban disabled people from the information highway
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