This document discusses how retailers can use mobile technology to enhance the in-store shopping experience. It outlines challenges like showrooming that retailers face in multi-channel commerce. It then describes various mobile levers retailers can use, such as Wi-Fi, mobile wallets, apps with barcode scanning and social integration. Case studies of Macy's and Target show how they are implementing different mobile levers. The document recommends retailers develop a mobile strategy to provide an engaging customer experience across channels and defend against competitors.