Total spending on mobile video ads in 2014 came to $1.54 billion, according to eMarketer, compared to $4.27 billion for desktop video ads. This year eMarketer expects those figures to increase to $2.62 billion for mobile and $5.15 billion for desktop. In proportional terms, that means mobile’s share will edge up from 26.5% of all digital video ad dollars in 2014 to 33.7% in 2015.
Looking ahead, eMarketer sees mobile video ad spending increasing to $6.86 billion by 2019, compared to $7.52 billion for desktop, giving mobile almost half (47.7%) of all digital video ad spending.
While these figures are impressive, eMarketer points out that they are actually low when compared to mobile’s share of digital advertising overall. Looking at all types of digital advertising, mobile’s share is projected to reach 72.2% of total spending by 2019, leaving desktop with a little over a quarter.
Mobile’s ad spend also lags behind viewing times: in 2015, mobile will account for an average 39 minutes of viewing time spent with digital video, out of a total 76 minutes. That works out to 51% of viewing minutes, compared to just a third of ad dollars.
So why can’t mobile video ad spend keep pace with viewing time and other types of mobile ads? The report attributes its relatively slow growth rate to the confusing variety of ad formats, uneven quality in ad inventory, and lack of consensus on metrics and pricing. Advertisers are also unsure whether, or when, to use mobile Web or in-app ads.
Mobile video ads also command much lower CPMs than other video platforms because many advertisers are concerned that their commercials will not be seen---even if "viewable" ---or that they will have less impact, when seen, due to the small screen sizes and the hustle/bustle, on-the-go nature of the mobile phone experience.
Mobile ads in general are worth a lower CPM, ads with relevance to a specific event with a call to action button positioned to engage viewer and ability to take advantage of the event, seems that it would create more value.
ex. a video of scuba diving trip on an adventure site with a button that appears indicating a 10% discount if purchased now, seems that it would have a higher conversion rate and one that is trackable.