Chart - Global Mobile Ad Spending Share By Vertical

Entertainment and media is a particularly significant player in the mobile ad market. Adfonic found in Q4 2012 that it accounted for two out of five mobile ad dollars. With the industry’s considerable ad performance on tablets, it’s likely that an increasing share of these mobile dollars will move to tablets.

Technology, which took the next greatest percentage of mobile dollars, performed about equally on tablets vs. smartphones. Read the rest at eMarketer.