CANADA: Shoppers Drug Mart Corp. is expanding by adding high-end cosmetics to its stores in small towns while also opening outlets on university campuses. In an attempt to sharpen its marketing, Shoppers is also looking to replace costly flyers by targeting promotions directly to existing customers through information from its loyalty Optimum card. By tapping into the information gathered through the loyalty card, Shoppers can track the purchases of its customers and, using that data, figure ...