Defeating Captchas

The two frames below simulate how a spammer would be able to hire somebody to solve captcha's for them, in order to automatically post links to their site on other websites that use CAPTCHA verifications

The two frames below don't use any type of javascript, all of the communication is done server-side. If you don't believe me, try opening each window in a separate browser, or even on separate computers.

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This side is what a spammers automated script will do.
Open in it's own window

This side is what a real human would use to submit captcha solutions
Open in it's own window