smart tags

Wal-Mart is trying to keep better track of its inventory by adding smart tags, or RFID (radio frequency identification) tags, to individual items in its stores. But privacy experts and consumers are worried that store merchandise won't be the only thing it tracks. Starting next month the tags,...

Walmart will start placing removable, radio-frequency ID tags (RFID) on individual items. The electronic product code (EPC) will utilize the sophisticated RFID technology to provide real-time information about merchandise selection within each store. However, there is a concern that these...