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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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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In 1956, the IBM 350 hard disk drive had 3.75 MB of storage, weighed over 2000 lbs, had to be moved around with forklifts, and was delivered via large cargo airplanes.
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The famous Windows start-up sound was composed using a Mac.
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The first banner advertising was used in 1994.
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There are approximately 1.06 billion instant messaging accounts worldwide.
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