If captcha is supposed to prevent spam, why do they both still annoy me daily?
If you want to keep anyone under 20 from getting in to your site, just use this...
For the solution, have them type the name of the object. You can even give a hint like: F---p- D---.
Or, you could show a picture of a cassette tape, tangled in it's own ribbon. Ask them what eraser equipped tool is the solution.
Looking at profile pages for people online, I have one wish- that people would at least try a little bit harder at inventing lies about themselves. If so many people love long walks on the beach- like the countless website profile pages, found all over the net would seem to claim, why aren't our nation's beaches full of people? You know, just wandering around aimlessly? Of course, I'm sure none of them would really need to take walks- since most of them are also claiming to be fitness gurus.