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Apr 15, 2008

comScore Releases March 2008 U.S. Search Engine Rankings

RESTON, Va., April 15, 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. March 2008 saw Americans conduct 10.8 billion core searches, representing a 9-percent increase versus February.

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

March 2008 U.S. Core Search Rankings

In March, Google Sites extended its share of core searches to 59.8 percent, up from 59.2 percent the previous month. Yahoo! Sites ranked second with 21.3 percent, followed by Microsoft Sites (9.4 percent), AOL LLC (4.8 percent), and Ask Network (4.7 percent).

    comScore Core Search Report*
    March 2008 vs. February 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0

                                            Share of Searches (%)
                                                                  Point Change
                                                                    Mar-08 vs.
    Core Search Entity               Feb-08          Mar-08          Feb-08

    Total Core Search                100.0%          100.0%           0.0
    Google Sites                      59.2%           59.8%           0.6
    Yahoo! Sites                      21.6%           21.3%          -0.3
    Microsoft Sites                    9.6%            9.4%          -0.2
    AOL LLC                            4.9%            4.8%          -0.1
    Ask Network                        4.6%            4.7%           0.1

    * 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 10.8 billion searches at the core search engines, representing a 9-percent gain versus February. Each of the five core search engines experienced search query gains during the month. Google Sites saw more than 6.4 billion core searches, followed by Yahoo! Sites with 2.3 billion, and Microsoft Sites with 1 billion.

    comScore Core Search Report*
    March 2008 vs. February 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0

                                             Search Queries (MM)
                                                                  Point Change
                                                                    Mar-08 vs.
    Core Search Entity               Feb-08          Mar-08          Feb-08

    Total Core Search                 9,882          10,771            9%
    Google Sites                      5,855           6,438           10%
    Yahoo! Sites                      2,136           2,296            7%
    Microsoft Sites                     953           1,012            6%
    AOL LLC                             488             521            7%
    Ask Network                         450             503           12%

    * 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.



March U.S. Expanded Search Rankings

In the March 2008 analysis of the Top 50 properties where search activity is observed, Google Sites led with 8.3 billion searches. Yahoo! Sites ranked second with 2.4 billion searches, followed by Microsoft Sites (more than 1 billion), and AOL LLC (891 million).

    comScore Expanded Search Query Report
    March 2008 vs. February 2008
    Total U.S. - Home/Work/University Locations
    Source: comScore qSearch 2.0

                                             Search Queries (MM)
                                                                  Point Change
                                                                    Mar-08 vs.
    Expanded Search Entity           Feb-08          Mar-08          Feb-08

    Total Expanded Search            13,806          15,088            9%
    Google Sites                      7,390           8,267           12%
      Google                          5,917           6,531           10%
      YouTube/All Other               1,473           1,736           18%
    Yahoo! Sites                      2,262           2,391            6%
      Yahoo!                          2,234           2,359            6%
      All Other                          28              32           14%
    Microsoft Sites                     984           1,054            7%
      MSN-Windows Live                  952           1,019            7%
      Microsoft/All Other                32              35            9%
    AOL LLC                             864             891            3%
      AOL                               493             527            7%
      MapQuest/All Other                371             364           -2%
    Ask Network                         452             506           12%
      Ask.com                           283             316           12%
      MyWebSearch.com/ All Other        169             190           12%
    eBay                                480             474           -1%
    Fox Interactive Media               337             377           12%
      MySpace                           330             368           12%
      All Other                           7               9           29%
    Craigslist.org                      239             277           16%
    Amazon Sites                        139             149            7%
    Facebook.com                        103             107            4%



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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