I just registered to post on this forum and it took me at least a dozen tries to get the characters right for the anti-spam verification part of the registration form. I just thought the administration would like to know it's really difficult to make out the letters (that's the point, I know, but it goes a little too far) even for me with good eyesight. I can only imagine how many people with aging eyes or sight problems have given up on trying to register after ten tries at that thing.