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December 13, 2007

Comments

selif

Interesting that you call the text in captchas "slightly difficult to make out".

The big problem with captchas is that people with vision impairments have a lot of difficulty in solving those cursed things.

It's all fine for those with 20/20 vision, but there's some of us that just can't make out most of the bloody things. How about a captcha that at least lets you read the thing? Better yet, ask me a simple math question.

selif

just a quick followup to say that the captcha you have for comments took me several tries to get.... no idea if I'll be able to do it again or not for this one.

Wayne

Thanks for the feedback and perspectives. Agreed that there needs to be some choice when it comes to the use of these sign on methods to provide means that will work well for all. Keep in mind the the captchas "feature" is that they are bits of text that a scanning computer recognition program can't recognize and so we humans are helping to resolve these problems and doing some of the recognition for the scanning of the world's books, which is a good thing I think. However the flip side of this is that these captchas are going to be difficult to decipher, even for us supposedly smarter humans! As per my article I very much like this model of dual purpose and benefit where a very strong sign on encryption is provided and in the process of using it we get to help scan the world's books well. However as you so rightly point out, this is NOT a good solution for many and therefore there needs to be some sign on or protection alternatives offered that are specifically targeted at spanning a more complete range of what will work well for different individuals.

As for the captcha's used here on TypePad these are built into the comment system that TypePad uses and not something I choose or get to change so my regrets that it provides such a barrier to your contributions and I sincerely thank you for your tenacity and endurance in order to submit these comments. Most appreciated.

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Wayne

BTW, if it makes you feel any better you might be amused to know that I too have to use these captchas when I go to post comments like these!

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