Obligatory xkcd reference: http://xkcd.com/233/ http://xkcd.com/233/ Anyways, point is, although it's a good idea, I don't see it being either wide-spread or s

Obligatory xkcd reference: http://xkcd.com/233/ http://xkcd.com/233/ Anyways, point is, although it's a good idea, I don't see it being either wide-spread or significantly more effective than re-CAPTCHA, et al., nor do I see it 'aiding' in emotion, so to speak. But, I would love for someone to prove me wrong on this, because it is an interesting approach.