Marin Software：2015年数字营销人员调查报告（英文版）

INTRODUCTIONDigital marketers have a lot to be excited about! According to the Internet Advertising Bureau (IAB), internet advertising revenues have experienced double-digit growth over the last five years. In the US alone, internet advertising revenues reached $11.7 billion in the second quarter of 2014, representing a 14% year-over-year increase. And while search is still the leading format by revenue, there has also been an explosion of growth in social, display, and mobile related advertisin