Additional Note: Digital out-of-home ad spending includes any out-of-home advertising that is dynamically and digitally displayed. These ads include digital billboards, digital street furniture, digital transit, and digital place-based displays but exclude cinema.
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, historical trends of each medium in relation to other media, reported revenues of major ad publishers, estimates from other research firms, data from benchmark sources, consumer media consumption trends, consumer device usage trends, and eMarketer interviews with executives at ad agencies, brands, media publishers, and other industry leaders.