What's the point? =/ If you're going to make something, at least try to innovate rather than stick some symbols in a table (which most people could do in 10 minutes).
What's this rubbish about Xcode 3 being hard to install?
It's on your OS X CD. From there on, it's just a one-click install process. Even if you downloaded it, the process is the same.
If a developer can't be bothered to do that, then they probably dont give a damn in the first place.
Not a bad idea, but some of the questions + pictures I've got have just been plain stupid. One was of a character which I had never seen, let alone know the name of.
"What are these beds called?"
There are about 4 separate names for bunk/cabin beds.
Typos are another issue. "Where do you where these things?" Also, how the hell can you expect people to answer such a vague question?
I have to say that I think this is both harder, and less accessible than a traditional CAPTCHA.