
SANFRANCISCO(Reuters)-Amazon.comIncisplanningamajorroll-outofanonlinegrocerybusinessthatithasbeenquietlydevelopingforyears,targetingoneofthelargestretailsectorsyettobeupendedbye-commerce,accordingtotwopeoplefamiliarwiththesituation.Whilefoodisalow-marginbusiness,Amazoncouldoutperformsimilaronlinegroceryservicesbydeliveringordersforhigher-marginitemslikeelectronicsatthesametime.On...