Search engine studies are rife, just two days ahead of Google's second-quarter earnings announcement on Thursday. All agree that the online advertising market has experienced an uptick during the period, and after all, eMarketer did say mid-June that search would be the biggest single winner of U.S. online ad spend this year. Google, notably, is seen as having benefited from the increase but the picture is rather mixed on the company as market analysts and search specialists seem to have conflicting views on the matter.

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