Michael Porter on strategy

At location 1395 inthe AmazonKindle version of the book “Understanding Michael Porter: The essential guide to competition and strategy” by Joan Magretta, I read this: “The essence of strategy and competitive advantage lies in the activities, in choosing to perform activities differently or to perform different activities from those of rivals.” And at location 1579, I read that “by definition, strategy is about creating something unique, making a set of choices nobody else has made.” In the interesting 5 minute interview embedded below, Michael Porter elaborates on what strategy is: