ReCAPTCHA is so conceptually flawed that it would be a poor solution
even if it weren't cracked. FancyCaptcha is good (but still at least
sometimes bypassed in practice), but the requirements for setting it
up put it out of reach for many wikis. I'm a fan of QuestyCaptcha,
but I'm biased. :-)
On Mon, Feb 27, 2012 at 2:23 PM, Daniel Friesen
<lists(a)nadir-seen-fire.com> wrote:
But if the bot is smart enough to register for
accounts and handle captchas,
it might not be easily tripped up by such a simple measure.
Has anybody taken a comprehensive look at the effectiveness of various
solutions in practice? Of particular importance would be determining
whether CAPTCHAs are usually broken in the wild via OCR or by farming
them out to humans.