    Sentence Through the: "tise of © its ~ own  “proprietary ~ standard: Wal-Mart gattiered. and  exchanged information among." its. stores,  flistribution,” ‘centérs, . ‘and- ‘the main -office in  Bentonville,.; Arkansas, to “ monitor - sales,“ place  ‘orders based on those sales, track. shipments: to  tha distribution ‘ceriters; and ‘coordinate: the: flow  ‘of materials and- information. throughout . tie  ‘system. * .    Sentence 2: Walmart . coordinated: the “flow of  information. and’ materials. by. "- exchanging  information’ between its stores,” centers, -and°main,  office:    