Despite search growth, eMarketer estimates Yahoo! will continue to lose share of net US search ad revenues, dropping to 6.2% this year from 6.5% in 2012, as both Google and Microsoft make gains. eMarketer estimates that Google’s share of net US search ad revenues will reach 73.7% this year, up from 72.8% in 2012. Read the rest at eMarketer.
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![US Search Ad Revenue Market Share, 2011-2015 [TABLE] Table - US Search Ad Revenue Market Share](http://www.emarketer.com/images/chart_gifs/152001-153000/152936.gif)