Online Ad Revenues Up 23% in H1 ’11

Internet ad revenues rose 23.2% to a record $14.9 billion in the first half of 2011, according to figures released in September 2011 by the Interactive Advertising Bureau (IAB) and PricewaterhouseCoopers. The rate of growth more than doubled year-over-year, as last year’s first-half ad revenues of $12.1 billion had represented an 11.3% increase from 2009.
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