Fred Bauder, 08/01/2013 19:41:
It's the worst kept secret in the world that you can hire people to
decode your captchas --
http://decaptcha.biz/ for example. Better
captchas don't work because you are competing against people and if
people can't solve the captcha ...
Middle name of Jimmy Wales has worked well for me.
And middle name of Larry Sanger, and nickname of Jimmy Wales.
Yes, QuestyCaptcha is surely the best solution for small wikis.
MeatBall has been using it for ages, too. :-)
Nemo