Google's Ad Market Share to Reach 43.5% in '11

According to the eMarketer blog, Google's online ad market share will reach 43.5% in 2011, rising from 38.9% in 2010. It is projected to increase to 47.6% in 2012.


Yahoo! will get 11.9% of the ad market pie, Facebook 7.7% and Microsoft 5.4%. 


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