1) Omni-channel retailing aims to provide a seamless shopping experience for customers across online, mobile, and in-store shopping channels by having inventory and customer information synchronized across all channels. 2) Transforming the customer experience requires integrating the customer's experience across channels and simplifying payments by using a common customer identifier and transaction history across channels. 3) Retailers must revamp their CRM systems, marketing campaigns, store operations, supply chains, and associate incentives to operate effectively in an omni-channel environment focused on knowing the customer from any contact point.