Comments on chongqed: CAPTCHAs: Do they have to be inaccessible?

We find any way for block spam in the http-sphere....

2006-04-09T02:34:00.000+02:00

We find any way for block spam in the http-sphere. It good worked for guestbook and forums: Spam Blocker Crawler. It crawler placed on our server and scan guestbooks on many equal urls and send messages to hoster and Google. I think it is interesting way.

I've considered something like this, but the probl...

2005-04-12T00:19:00.000+02:00

I've considered something like this, but the problem is that it's difficult to ask a definitive question without being verbose.

"What is the first letter of this sentence?"

Some people might type in "W", others might type in "w".

If you ask something involving numbers, you're going to have to say something like:

Enter a numeral, like 1, 2, or 3. Don't spell out

I wrote a Note for the W3C in 2003 on CAPTCHA inac...

2005-02-17T17:11:00.000+01:00

I wrote a Note for the W3C in 2003 on CAPTCHA inaccessibility, and Eric Meyer has written a logic puzzle WordPress plugin that does what you want.

For my part, I'm off to the Wikipedia page to update it. :)