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Internet advertising revenue 31 billion 2011

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Revenue from internet advertising hit $31 billion in 2011 in the United States.
Internet advertising revenue 31 billion 2011

Internet advertising revenue hit a record high in 2011, amounting to $31 billion, according to a study released on April 18, 2012. Mobile advertising also reached a record high of $1.6 billion last year, a 149 percent increase from $641 million in 2010.

Justin Sullivan