CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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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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The average computer user blinks 7 times a minute, less than half the normal rate of 20.
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In the 1980s, an IBM computer wasn't considered 100 percent compatible unless it could run Microsoft Flight Simulator*.
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