CAPTCHA: The story behind those squiggly computer letters

  • Article by: STACEY BURLING , Philadelphia Inquirer
  • Updated: July 24, 2012 - 5:45 PM

Those little puzzles that help distinguish humans from 'bots' indeed are getting harder.

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u4775Jul. 25, 12 7:54 AM

"Google says that people are solving 200 million CAPTCHAs a day." And probably failing to solve 800 million a day. They say the typical internet users attention span is 8 seconds, longer than that for a page load, for example, and people move on. I am already getting to the point of moving on with sites using these stupid things.

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