J.K. Rowling lost her billionaire status because she donated so much of her money to charity.
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At YouTube Headquarters, employees can either take the elevator, stairs or slide.
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The first foreigner to become a samurai was an African slave.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
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