The ‘@’ sign is centuries old, and was used in Europe to denote a unit of weight (the “arroba”) equivalent to 25 lbs.
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In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
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Alaska is the only state that can be typed on one row of keys on a QWERTY keyboard.
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CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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