Retail Inside a Waitrose Ltd. Supermarket As U.K. Economy Grows [Getty Images]

Customers use baskets and carts to collect their shopping from the fruit and vegetable aisle inside a Waitrose Ltd. supermarket in the Hove district of Brighton, U.K., on Tuesday, Jan. 27, 2015. Britain has outperformed its neighbors, with the fastest economic growth in the Group of Seven industrialized nations. Photographer: Simon Dawson/Bloomberg via Getty Images

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