The smartphone tells the story of a kiwi fruit in China . With a quick scan of a code, shoppers can look up the fruit’s complete thousand-mile journey from a vine in a lush valley along the upper Yangtze River to a bin in a Beijing supermarket. The smartphone feature, which also details soil and water tests from the farm, is intended to ensure that the kiwi has not been contaminated anywhere along the way. “I have scanned some electronic products before, but never any food,” said Xu Guillin, who recently tested the tracking function at the supermarket while shopping with her 3-year-old grandson. “We pay lots of attention to food […]