As of 2011, gamers have collectively spent over 6 million years playing World of Warcraft. That's almost as long as the existence of the human species!
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CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
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The first webcam was used in 1991 by Cambridge researchers for checking the coffee pot without leaving their desks.
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IBM's Watson computer has 90 processors, 2,880 cores, 11,200 threads, 16 terabytes of RAM, and 4TB worth of data on its hard drive.
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