North American Market for Search Engine Marketing (SEM)
The North American SEM market is projected to grow to reach $25 billion by 2011. The estimated market size over the years as provided by SEMPO:
2007 – $12.2 billion
2008 – $15.7 billion
2009 – $18.8 billion
2010 – $22.4 billion
2011 – $25.2 billion


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