It is a pattern of growth driven by such rapid and relentless trends as the rise of social networks, video and the Web.

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She notes that there is no prior seasonal pattern that would have driven the steeper slide in July.

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However, the pattern trend could also be attributed to the recent heritage-driven influx of men's accessories shops, specializing in the little things that make a man stand out.

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The form of leadership that holds most potential is a twist on the pattern described by Eric Von Hippel in his research on User-driven Innovation.

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