Stock Photo - A supermarket customer scans his products at the Supermarket of the Future, developed by the Knowledge Center, in Cologne, Germany, 16 June 2017. The GS 1 Germany is developing international standards for trade along the entire value added chain. Photo: Roland Weihrauch/dpa. - Cologne/North Rhine-Westphalia/Germany

Stock Photo: A supermarket customer scans his products at the Supermarket of the Future, developed by the Knowledge Center, in Cologne, Germany, 16 June 2017.

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