Heder, blond-haired and modeling a series of pastel turtlenecks, has less to play with.

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After his surgeries, he switched to black turtlenecks and white, film director-style scarves.

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Both dress oddly: Jobs in black turtlenecks and Stallman in batik print shirts.

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His knack for developing must-have gadgets, his signature black turtlenecks and dramatic delivery during product launches have made him a cultural icon beyond Silicon Valley.

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Kurt Ling, 48, the CEO and co-founder of Pure LatexBliss, a Georgia-based mattress manufacturer, is such a fan he has adopted Mr. Jobs's signature turtlenecks.

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Updated trends like exaggerated shoulders, layering turtlenecks under dresses or suits and Katharine Hepburn-inspired trousers, which have a wide leg and are tailored and high-waisted, added freshness to the tailored look.

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Epstein tapped Freeman, who gathered John Lennon, Paul McCartney, George Harrison and Ringo Starr in a hotel dining room and shot a grainy, understated, black-and-white image of the four in dark turtlenecks -- the soon-to-be iconic "With the Beatles" cover.

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Steve Jobs is renowned for many reasons serial extreme innovation, Pixar, nonconformity, black turtlenecks, making Apple the most highly valued company on the planet, design breakthroughs but one of his less-celebrated achievements might turn out to be one of his most-valuable: declaring war on Google.

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