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May 22, 2008

comScore Releases April 2008 U.S. Search Engine Rankings

RESTON, Va., May 22, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- comScore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today released its monthly comScore qSearch analysis of the U.S. search marketplace. April 2008 saw Americans conduct 10.6 billion core searches, with Google Sites continuing to gain market share as the leading search engine.

(Logo: http://www.newscom.com/cgi-bin/prnh/20080115/COMSCORELOGO)

April 2008 U.S. Core Search Rankings

In April, Google Sites extended its share of core searches to 61.6 percent, up from 59.8 percent the previous month. Yahoo! Sites ranked second with 20.4 percent, followed by Microsoft Sites (9.1 percent), AOL LLC (4.6 percent), and Ask Network (4.3 percent).



    comScore Core Search Report*
    April 2008 vs. March 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0
                                            Share of Searches (%)
                                                                 Point Change
                                                                  Apr-08 vs.
    Core Search Entity               Mar-08          Apr-08         Mar-08
    Total Core Search                100.0%          100.0%           0.0
    Google Sites                      59.8%           61.6%           1.8
    Yahoo! Sites                      21.3%           20.4%          -0.9
    Microsoft Sites                    9.4%            9.1%          -0.3
    AOL LLC                            4.8%            4.6%          -0.2
    Ask Network                        4.7%            4.3%          -0.4

    * 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 10.6 billion searches at the core search engines, representing a 2-percent decline versus March. Google Sites saw more than 6.5 billion core searches, followed by Yahoo! Sites with 2.2 billion, and Microsoft Sites with 961 million.



    comScore Core Search Report*
    April 2008 vs. March 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0
                                             Search Queries (MM)
                                                                Percent Change
                                                                  Apr-08 vs.
    Core Search Entity               Mar-08          Apr-08         Mar-08
    Total Core Search                10,771          10,582           -2%
    Google Sites                      6,438           6,514            1%
    Yahoo! Sites                      2,296           2,159           -6%
    Microsoft Sites                   1,012             961           -5%
    AOL LLC                             521             491           -6%
    Ask Network                         503             458           -9%

    * 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.


April U.S. Expanded Search Rankings

In comScore's April 2008 analysis of the Top 50 properties where search activity is observed, Google Sites led with 8.5 billion searches. Yahoo! Sites ranked second with 2.3 billion searches, followed by Microsoft Sites (1 billion), and AOL LLC (839 million).



    comScore Expanded Search Query Report
    April 2008 vs. March 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0
                                              Search Queries (MM)
                                                                Percent Change
                                                                   Apr-08 vs.
    Expanded Search Entity           Mar-08          Apr-08         Mar-08
    Total Expanded Search            15,088          14,988           -1%
    Google Sites                      8,267           8,467            2%
      Google                          6,531           6,639            2%
      YouTube/All Other               1,736           1,828            5%
    Yahoo! Sites                      2,391           2,323           -3%
      Yahoo!                          2,359           2,290           -3%
      All Other                          32              33            3%
    Microsoft Sites                   1,054           1,000           -5%
      MSN-Windows Live                1,019             964           -5%
      Microsoft/All Other                35              36            3%
    AOL LLC                             891             839           -6%
      AOL Search Network*               N/A             459           N/A
      MapQuest/All Other                N/A             380           N/A
    Ask Network                         506             461           -9%
      Ask.com                           316             298           -6%
      MyWebSearch.com/ All Other        190             163          -14%
    eBay                                474             450           -5%
    Fox Interactive Media               377             360           -4%
      MySpace                           368             354           -4%
      All Other                           8               6          -21%
    Craigslist.org                      277             273           -2%
    Amazon Sites                        149             137           -8%
    Facebook.com                        107             112            5%

    * AOL Search Network is a newly defined entity with April 2008 data and is
      not directly comparable to previous months of data.


To request more information on comScore qSearch 2.0, please visit http://www.comscore.com/contact

About comScore

comScore, Inc. (Nasdaq: SCOR) is a global leader in measuring the digital world. For more information, please visit www.comscore.com/boilerplate

SOURCE comScore, Inc.

http://www.comscore.com

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