US Total Media Ad Spending Share By Channel, 2010-2016 [CHART]
Despite the jump upward, mobile still represents a small slice of the total ad pie. Just 2.4% of total ad spending in the US will go toward mobile ads in 2012, eMarketer estimates. Mobile is expected to reach an 11% share of total US ad spending by 2016—when it will overtake radio but still be below print. Read the rest at eMarketer.