I shopped with my brother at the Shoppersdrugmart at Centre Street NW of Calgary this early morning (around 9:30am) and the shopkeeper stopped me from using my Shoppersdrugmart Optimum card to buy anything for my brother. Without any clarification, she assumed that it's my brother making the purchase and insisted that my brother use his own card. I told her that my brother had no card and we had been using the same card for almost 10 years since the very first release of Shoppers Drug Mart card, but she insisted that my brother should get... read full review »