相關連結：
Google Received 65 Percent of U.S. Searches in November
http://www.promotionworld.com/news/press/071211Hitwise.html
Google, the New England Patriots of Search, Runs Up the Score on Yahoo, MSN and Ask.com
http://www.searchenginejournal.com/google-the-new-england-patriots-of-search-runs-up-the-score-on-yahoo-msn-and-askcom/6088/
Hitwise US - Leading Search Engines - November, 2007
http://www.hitwise.com/datacenter/searchengineanalysis.php
Google美国搜索份额突破65％
http://www.donews.com/Content/200712/deee32182c1d4b2db3461c05305bd7ea.shtm
