In a world upended by new technology and consumer behavior, it's still wise to rely on customer data and doing what has been successful for marketers for decades. Bruce Hershey, VP of Marketing at Tailored Brands, knows his customers at Men's Wearhouse and Jos A Bank like his job depends on it. Of course, it does. He shares how to make the info actionable as well as his views on "shiny objects" and how his team evaluates innovation.