I might be in the minority but I didn't know this about recaptcha and found it interesting as well as the pdf they provide: http://recaptcha.net/reCAPTCHA_Scien

I might be in the minority but I didn't know this about recaptcha and found it interesting as well as the pdf they provide: http://recaptcha.net/reCAPTCHA_Science.pdf http://recaptcha.net/reCAPTCHA_Science.pdf