Methodology: Data is from the November 2014 IDG Research Services report titled "Tech Marketing Priorities." 203 senior tech marketing leaders worldwide were surveyed in August 2014. Respondents were from North America (79%), Europe (10%), Asia-Pacific/Australia (8%) and other (3%). Respondents were tech vendors (89%) and agency professionals (11%). Respondents identified their company's annual revenues as less than $10 million (30%), between $10 million-$99.9 million (26%),

Methodology: Estimates are based on the analysis of various elements related to the ad spending market, including macro-level economic conditions; historical trends of the advertising market; estimates from other research firms; and consumer media consumption trends.