The metal and leather headphones have a timeless look, like a piece of high-end furniture designed by Le Corbusier or Ludwig Mies van der Rohe.

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The business model was simple: a website that rented high-end jewelry for special occasions at a fraction of the retail value of each piece.

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Investors on Friday will especially look to Mr. Elop to explain how he intends to reclaim a sizable piece of the U.S. market, particular in high-end smartphones, one of Nokia's most pressing challenges.

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On the recommendation of several British fashion editors, I visited Vestiaire Collective, the Paris-based resale (translation: the clothes are preowned) site that launched in the U.K. last spring and now ships to the U.S. The selection is thoroughly high-end (celebrities Sophie Dahl and Rachel Weisz have donated goods), and each piece is vetted by in-house specialists who are trained to weed out fakes.

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The Q10's 8-megapixel rear-facing camera is loaded with high-end features, including Time Shift, which captures multiple shots of people and lets you piece together a photo where everyone looks good.

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