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 eBay, there are an average of $680 worth of transactions each second.
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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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Hewlett Packard was started at a garage in Palo Alto in 1939.
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