Yeah. The actual problem as I see it is that people have been trained that you have to get captcha's "right", where with these recaptchas all you really need is

Yeah. The actual problem as I see it is that people have been trained that you have to get captcha's "right", where with these recaptchas all you really need is a reasonable guess because there is no 'right' (and nowhere does it say that). The assumption behind recaptcha was a novel one, but it seems pretty obvious that the OCR is really just about as good as humans anyway - the 'difficult words' that usually get served are most commonly either non-existant words (printing/writing errors) or scanning/cropping errors.