Seattle City Light has a nice opt-in green energy program. Which is cool and all, but look at the form at the bottom of the page. Particularly the hidden form variable autoCode2. Lamest captcha ever.
The captcha at the end of it is in plain text. You can copy-and-paste it directly into the text field. Worse than that, it's set in a hidden form variable, which strongly implies that you could set it to be anything you want. Basically, it completely fails to provide any of the bot-protection that are the entire point of captchas. (Not that they actually work all that well at the best of times, but that's another issue.)
I think they're confused about the purpose of such things.
I like the ones I've seen lately that have you answer a question, like "what's my first name?" or "5 + 9 = _". I think this could have some entertaining variants like "what color is the sky?" (allow most primary and secondary colors) or maybe giving the answer to an easy puzzle.
I think Schneier linked to one a few months ago that showed a 3x3 grid of images and told you to click on the one with a cute fuzzy animal. Interesting approach to the problem.
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I like the ones I've seen lately that have you answer a question, like "what's my first name?" or "5 + 9 = _". I think this could have some entertaining variants like "what color is the sky?" (allow most primary and secondary colors) or maybe giving the answer to an easy puzzle.
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