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Re: Why Captchas?

for

From: Christophe Strobbe
Date: Jun 7, 2007 3:10AM

Hi,

At 21:37 21/05/2007, you wrote:
>I've got a friend who uses a screen reader & she's getting very
>frustrated by sites that have captchas - and aren't good at the
>"Click this link & we'll get back to you if you can't see..." -
>(Yahoo! being the particular culprit at present!)
>
>I'm not visually impaired, but I find quite a few of the captchas hard
>to use (blogspot's is one of the few that I can "get" first time,
>YouTube's is about the worst - I need several goes)

Some sites use a CAPTCHA with an audio alternative (as many on this list
already know). Now, you don't even have to develop those by yourself
because reCAPTCHA [1] makes them for you and you can use them through
APIs and plugins [2]. (And by using reCAPTCHA, you help the digitization
of books.) Has anybody tried this solution?

[1] <http://recaptcha.net/whyrecaptcha.html>;
[2] <http://recaptcha.net/resources.html>;

Best regards,

Christophe


--
Christophe Strobbe
K.U.Leuven - Dept. of Electrical Engineering - SCD
Research Group on Document Architectures
Kasteelpark Arenberg 10 bus 2442
B-3001 Leuven-Heverlee
BELGIUM
tel: +32 16 32 85 51
http://www.docarch.be/


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