Global Mobile Ad Spending By Region, 2011-2016 [CHART]
In terms of absolute dollars, North America already has an edge on other world regions, and will widen that gap considerably by 2016. That year, eMarketer projects, advertisers will spend over $21.39 billion on mobile in the US and Canada, compared to over $6.19 billion in second-place Asia-Pacific. Read the rest at eMarketer.