A sign advertising an online Click and Collect shopping service adorns a shopping trolley at the Tesco Basildon Pitsea Extra supermarket, operated by Tesco Plc, in Basildon, U.K., on Tuesday, Dec. 1, 2015. Many European food retailers are coming to terms with persistently low inflation as well as consumers who remain frugal yet purchase food more frequently. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
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