Mobile almost doubled its share of the U.S. digital ad market through the first six months of the year. According to IAB, U.S. mobile ad revenues were $1.2 billion in the first half of the year and 7 per cent of total U.S. digital ad revenues, up from 4 per cent a year prior.
Total 2011 U.S. mobile ad revenues were $1.6 billion, according to IAB. Half-year revenues of $596 million were about 38 per cent of the year-end total. Holding all else equal, if the U.S. market grew at the same rate this year, 2012 mobile ad revenues would be $3.2 billion.
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