I meant ... that I just tried to join. Filled in the form and had to complete the Captcha. Got it right - I'm certain - 5 or 6 times - but it kept telling me that I failed the Capcha verification test.
you should report a bug to them!
Well, they don't want to allow just any human in.
Maybe you're supposed to write an algorithm that predicts what the next captcha will be and use that. ;)