Digital, marketing, and advertising agencies know that their clients need to engage their customers within mobile. According to the book, “The Mobile Mind Shift” by Forrester Research, “By 2017, 2.5 billion people will own smartphones and 905 million people will use tablets at home and work – nearly three times as many as in 2013.” The book also says that customers have come to expect that they can get what they want in their immediate moment of need, and that....