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In October 2009, Americans conducted 14.3 billion core searches, with Google Sites accounting for 65.4 percent search market share, up from 64.9 percent in September. Microsoft Sites grabbed 9.9 percent market share, up 0.5 percentage points versus September.
October 2009 U.S. Core Search Rankings
Google Sites led the U.S. core search market in October with 65.4 [...]

comScore, today released a June 2009 overview of the career services & development category based on data from comScore Media Metrix and comScore Marketer. The study revealed that more than 65 million Americans visited the category in June, representing a 10-percent increase versus year ago, ranking it as one of the top-growing site categories. [...]

comScore, Inc. released its monthly analysis of U.S. consumer activity at the top online properties for March 2009 based on data from the comScore Media Metrix service. Americans turned to the Web to plan spring and summer travel, and to manage their personal finances during the economic downturn. The month also saw the [...]

comScore, Inc, a leader in measuring the digital world, today released the results of a study of U.S. Internet usage via mobile PC data cards, which showed that the  subcriber base – which previously had been growing strongly – began to decelerate noticeably in Q4 2008. The study examined the usage and characteristics of mobile [...]