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comScore Releases June 2009 U.S. Search Engine Rankings
RESTON, VA, July 16, 2009 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly comScore qSearch analysis of the U.S. search marketplace. In June 2009, Americans conducted more than 14 billion core searches, with Google Sites accounting for 65.0 percent search market share. Microsoft Sites grabbed 8.4 percent market share, a 0.4 percentage point gain versus May, after introducing its new search engine, Bing.

June 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in June with 65.0 percent of the searches conducted, followed by Yahoo! Sites (19.6 percent), and Microsoft Sites (8.4 percent). Ask Network captured 3.9 percent of the search market, followed by AOL LLC with 3.1 percent.

comScore Core Search Report
June 2009 vs. May 2009
Total – U.S. – Home/Work/University Locations
Source: comScore qSearch
Core Search Entity Share of Searches (%)
May-09 Jun-09 Point Change
Jun-09 vs. May-09
Total Core Search 100.0% 100.0% N/A
Google Sites 65.0% 65.0% 0.0
Yahoo! Sites 20.1% 19.6% -0.5
Microsoft Sites 8.0% 8.4% 0.4
Ask Network 3.9% 3.9% 0.0
AOL LLC 3.1% 3.1% 0.0

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

Americans conducted 14 billion searches in June, down slightly from May. Google Sites accounted for 9.1 billion searches, followed by Yahoo! Sites (2.8 billion), Microsoft Sites (1.2 billion), Ask Network (552 million) and AOL LLC (439 million).

comScore Core Search Report*
June 2009 vs. May 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearch
Core Search Entity Search Queries (MM)
May-09 Jun-09 Percent Change Jun-09 vs. May-09
Total Core Search 14,327 14,060 -2%
Google Sites 9,307 9,135 -2%
Yahoo! Sites 2,877 2,755 -4%
Microsoft Sites 1,149 1,179 3%
Ask Network 555 552 0%
AOL LLC 438 439 0%

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

June 2009 U.S. Expanded Search Rankings

In the June 2009 analysis of the top properties where search activity is observed, Google Sites led the search market with 13.1 billion searches, followed by Yahoo! Sites with 2.9 billion. Microsoft Sites ranked third with 1.2 billion searches, up 3 percent from May, followed by AOL LLC with 736 million. Facebook.com experienced the highest growth of the top ten expanded search properties with a 9-percent increase.

comScore Expanded Search Query Report
June 2009 vs. May 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearc

Expanded Search Entity
Search Queries (MM
May-09 Jun-09 Percent Change Jun-09 vs. May-09
Total Expanded Search 21,818 21,899 0%
Google Sites 13,035 13,147 1%
Google 9,680 9,555 -1%
YouTube/All Other 3,355 3,592 7%
Yahoo! Sites 3,021 2,900 -4%
Yahoo! 2,995 2,877 -4%
All Other 26 23 -12%
Microsoft Sites 1,194 1,230 3%
Bing N/A 1,021 N/A
Microsoft/All Other N/A 209 N/A
AOL LLC 721 736 2%
AOL Search Network 374 371 -1%
MapQuest/All Other 347 365 5%
eBay 634 677 7%
Fox Interactive Media 644 672 4%
MySpace Sites 636 663 4%
All Other 8 9 13%
Ask Network 691 637 -8%
Ask.com 382 362 -5%
MyWebSearch.com/ All Other 309 275 -11%
craigslist, inc. 651 621 -5%
Facebook.com 184 200 9%
Amazon Sites 185 198 7%



About comScore
comScore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital marketing intelligence. For more information, please visit www.comscore.com/companyinfo.

Contact:
Andrew Lipsman
Director, Marketing Communications
comScore, Inc.
+1 312 775 6510
press@comscore.com

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