Sunday, January 2, 2011

captchas you can't read ...

... include this one from ebay:
Can you tell me what the first and/or second characters are?
In case you weren't sure, here's a definition of 'captcha':

CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart)   A security device that requires human input rather and so prevents any kind of automated access to protected areas of a network. The most common online application is that of active tokens.   

Note that this is from my book, Key Concepts in e-Commerce.

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