The first webcam was invented to check if a coffee pot in a Cambridge lab was full without walking downstairs.
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The first computer mouse was made of wood.
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The Internet weighs approximately 50 grams — the mass of the electrons in motion that carry its data at any given moment.
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The cotton gin increased cotton processing efficiency.
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The first computer virus, Creeper, spread across ARPANET in 1971 and displayed the message 'I'm the creeper — catch me if you can!'
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The Apollo guidance computer had less power than a modern calculator.
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The phonograph recorded and replayed sound.
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In 1999, several countries experienced a computer scare known as the Y2K problem.
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The fax machine was invented before the telephone.
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