Monday, January 26

Completely Automated Brief History - Completely Automated Public Turing Test to Tell Computers and Humans Apart

Computer World has published an interesting and informative article regarding the Completely Automated Public Turing Test to Tell Computers and Humans Apart, or CAPTCHA as they are affectionately known.

While they discuss the value of bot-busting techniques, they also note one of my favorite stories about the spammers using human-based cracking, and my personal favorite of all of these for its effectiveness - getting people to do the heavy lifting for free!
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