Spammers Pay Others to Answer Security Tests

Faced with stricter Internet security measures, some spammers have begun borrowing a page from corporate America’s playbook: they are outsourcing.Sophisticated spammers are paying people in India, Bangladesh, China and other developing countries to tackle the simple tests known as captchas, which ask Web users to type in a string of semiobscured characters to prove they are human beings and not spam-generating robots.
http://www.nytimes.com/2010/04/26/technology/26captcha.html