CAPTCHA: Trying to Stay One Step Ahead of Spammers

To submit this post to LISNews I had to make it past Blake's complicated CAPTCHA. The CAPTCHA lets Blake's servers know I'm a human and not an automated spam mesage. Now, it's just typing is some words. But as the bad guys get more sophisticated tomorrow's CAPTCHAs might involve recognizing objects or identifying sound files or some combination of tasks that computers can't do as well as humans. This TIME article tells you everything about CAPTCHAs that you never wanted to know - even what CAPTCHA stands for (try to guess what the acronym means before you look at the article). Read it at:,9171,1812084,00.html
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