The only business edge that Walmart has left over Amazon: food stamp spending. Hamilton Nolan5/25/16 3:12pmFiled to: walmartfood stampscorporate america9522EditPromoteDismissUndismissHideShare to KinjaToggle Conversation toolsGo to permalinkThe only business edge that Walmart has left over Amazon: food stamp spending. (Much of it from Walmart employees!) Hamilton NolanHamilton@Gawker.com@hamiltonnolanSenior Writer, Gawker. Reply95 repliesLeave a reply