In the retail world, we live by the statement, “With big data comes big opportunity.” Few, if any, industries are as rich in data as retail. Today, so much is being done to use this data to market retail businesses with greater effectiveness and efficiency. With an eye toward 2015, here are the mistakes you must avoid in order to ensure that you take full advantage of the big data opportunity and that your brand’s marketing focus is in the right place: on quality....