A good friend at EDF gave a suggestion that I think could be pretty useful. Here's the idea:
So, is this a good idea? Personally I wonder if this has been considered before, but I don't know, and I'd like to hear James' opinion on it and if it would help to combat the bot problem.
(For those who won't click the image, it reads: "If you're having a spambot problem use a basic question in your account registration like "what color is an apple" instead of a captcha. That's how EDF stays mostly bot free.")