“Google accounted for 71.43 percent of all U.S. searches conducted in the four weeks ending Aug. 1, 2010. Yahoo! Search, Bing and Ask received 14.43 percent, 9.86 percent and 2.32 percent, respectively. The remaining 70 search engines in the Hitwise Search Engine Analysis Tool accounted for 1.94 percent of U.S. searches.”  9-2010

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