According to a report by Experian Hitwise, Google enjoys 71.43% of the total search in the US in a study conducted in the four weeks ending August 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.
What was interesting to see from the study is that Travel represents a 30.41% of the total searches using Google, which is by 6% more from the same period of time last year.
Further details can be found at the Experian Hitwise website http://bit.ly/ds2NTK