This may not be such a great alternative — it allows far too many attempts which make it susceptible to cracking. (a video showing this being beaten by a bot [

This may not be such a great alternative — it allows far too many attempts which make it susceptible to cracking. (a video showing this being beaten by a bot [1] was posted on HN [2] last week) [1] http://spamtech.co.uk/software/cracking-the-areyouhuman-captcha/ http://spamtech.co.uk/software/cracking-the-areyouhuman-capt... [2] http://news.ycombinator.com/item?id=4025791 http://news.ycombinator.com/item?id=4025791