Back in 1997 when I began to lead a loyalty project for Shoppers Drug Mart with the code name “ASA” (an acronym for Acetylsalicylic acid), little did I know that 20 years later we would be witnessing the evolution of Canada’s favorite and most successful loyalty program. This past week’s announcement of the merger of these two iconic loyalty programs makes great business sense for the brands and their customers. The Shoppers Optimum program was originally tested in Kingston....