Over the time that WARC has carried out this survey with the MMA, the role of mobile in the arsenal of marketers has grown significantly. As smartphone technology becomes more and more sophisticated, the line between the mobile medium and the rest of the online media mix is increasingly blurred. This blurring means the distinction between mobile and the rest of digital is hard to make, leading to fewer respondents this year labelling their strategy as ‘mobile-first’ and only 22% having a separate mobile marketing budget.