The radio business is continuing its gradual recovery, with total spending increasing 2% from $4.44 billion in the third quarter of 2010 to $4.53 billion in the third quarter of 2011, according to the Radio Advertising Bureau. For the first nine months of 2011 revenue is also up 2% to $12.89 billion. The RAB attributed the overall growth to increases in network, digital, and off-air spending.
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