Bing moves ahead of Yahoo in US - become No. 2

The following Nielson data for Top US search sites for Aug 2010 shows MSN/Windows Live/Bing Search overtook Yahoo! as the #2 search engine in the U.S. Google however still dominates the search market, accounting for 65% of all U.S. searches.
Top U.S. Search Sites – August 2010
Rank Brand Share of Searches MoM change % YoY change %
1Google Search65.1%1%1%
2MSN/Windows Live/Bing Search13.9%2%30%
3Yahoo! Search13.1%-8%-18% Search2.1%0%24%
5AOL Search2.0%0%-37%
Source: The Nielsen Company