A new J.P. Morgan report predicts U.S. mobile ad spending will roughly double to $1.2 billion this year, fueled by growing mobile usage.
That forecast is in line with an eMarketer projection that U.S. mobile advertising will reach $1.1 billion in 2011. The Internet Advertising Bureau estimates that mobile ad dollars totaled in the range of $550 million to $650 million last year.
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