Google could see its revenue from mobile ads rise to $5.8 billion this year

Being an open source system, Google receives zilch from each phone loaded with Android. But that doesn't mean that Google isn't bringing in money from the smartphone and tablet businesses. According to Jim Friedland, an analyst with brokerage firm Cowen, Google is bringing in $7 for each smartphone and tablet sold including Android and iOS devices. The money comes from mobile display and search ads. Considering that the number of mobile devices worldwide is expected to nearly double from 509 million last year to 914 million this year, Google's mobile ad revenues are estimated by Cowen to surge from an estimated $2.5 billion in 2011 to $5.8 billion in 2012.
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