comScore always has interesting information. They released their search engine rankings for January 2010. In other words, which search engines do individuals use the most and how has it changed. Google is, and has been for some time, the largest market share however since the rebrand and a entrance of Bing into the market has peaked new interest.

From the report, In January 2010 there were 15.2 billion core searches in the U.S. Google was 65% percent, Yahoo Sites were 17% and Microsoft Sites were 11% percent.

The full Comscore press release is here.