High cost customer acquisition with no tradeoff of lifetime value defines today’s ecommerce landscape. As most retailers struggle with customer retention, marketing teams deploy loyalty solutions to gain a competitive edge by connecting with shoppers and incentivizing repurchase. With the help of 500friends, a leading provider of end-to-end marketing solutions, U.S. Auto parts increased its spend per member by 20%, its repurchase rate by 14%, and its enrollment rate by 45% after....