its disheartening to watch a senior citizen ‘give up’ when they were trying to post a comment or something on a site they just found – all because they didn’t understand the captcha.

the answer? if i knew that i would implement it. there are better ways. I don’t mind some captchas that are simple and to the point (i.e. three minus 1 equals what?) but you should be able to refresh it or retry it without having to refill in all the fields (i.e. password fields reset, but unless you scroll up you my not know that) – i’m sure you’ve seen this before. For older people or less experienced computer users, this can be a real problem.