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I Love Captcha!

 
Ranch Hand
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Dear All,

I seriously love captcha and as a developer I find comfort in them in protecting my app from spam!
Sometimes some captcha make sense such as this one.

I just hope all sites follows thru with the sample captcha above.

...on the other hand, I seriously dislike captcha such as these.



It is seriously a pain in the eye. (especially to non-technical person and elderly one..)

How about you, do you have some favorite captcha?

Thoughts?
 
Bartender
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The dude abides!
Love it.
 
Java Cowboy
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Captcha's do not provide 100% protection against automated bots. Many captcha's, even ones that seem very hard, have been cracked. The Coding Horror blog has a number of articles about this. See for example CAPTCHA is Dead, Long Live CAPTCHA!

Apparently there are smart hackers who know how to write software to recognize the letters in a captcha, even if the letters are (almost) unreadable by a human being.

The Daily WTF also has some funny articles about CAPTCHA failures:

CAPTCHA'd
CAPTCHA'd - All Facebook Edition
Captcha'd - Do Not Complain
 
Jelle Klap
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There really is no substitute for a dedicated team of spam killing ninja-moderators
You shall not pass!
 
Mark Reyes
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Jelle Klap wrote:The dude abides!
Love it.



Yeah... I was surprise to really see one...

Very nice indeed!
 
You showed up just in time for the waffles! And this tiny ad:
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
https://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton
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