CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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The world's first computer, called the Z1, was invented by Konrad Zuse in 1936. His next invention, the Z2 was finished in 1939 and was the first fully functioning electro-mechanical computer.
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On an average work day, a typist's fingers travel 12.6 miles.
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The average computer user blinks 7 times a minute, less than half the normal rate of 20.
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On eBay, there are an average of $680 worth of transactions each second.
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