Think back to how horseless carriages, modern architecture, and print journalism yielded to cars, post-modern structures, and social media.

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She is Khaleesi now of a horseless army of unmanned men whose brutal training has left them only part human.

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These social trends may be just as significant for the automobile industry as the original shift to horseless carriages a century ago.

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As a colonel leading a unit of (horseless) cavalry volunteers, known as the Rough Riders, he turned a relatively minor role in the San Juan battle into a national legend powerful enough to sweep him to the presidency.

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