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Total Ad Impressions Delivered on U.S. Publisher Sites

Online advertising has grown significantly over the past year. U.S. online publisher sites delivered more than 417 billion ad impressions in September 2010, up 26 percent versus year ago.

Universal Search: Not All Blends are Created Equal

Universal search - or blended search - has been an integrated part of the search experience since 2007. Heralded at the time as a revolution for searchers and marketers alike, the ensuing popularity h...