Press Release

Media Advisory: Microsoft Bids on Yahoo!

RESTON, VA, February 5, 2008 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released figures in support of the continuing coverage of Microsoft’s recent announcement to bid on Yahoo!, relevant comScore figures are provided below.

  • Google Sites saw nearly 588 million visitors worldwide in December 2007, more than both Microsoft Sites and Yahoo! Sites individually, but less than the combined audience of Microsoft and Yahoo!, which would reach 665 million worldwide visitors.
  • In search share, Google Sites lead both the U.S. (58.4 percent share), and worldwide (62.4 percent share). Microsoft/Yahoo! combined would have a 32.7 percent U.S. search share, and a 15.7 percent share worldwide.
  • In the email category, Yahoo! mail leads both in the U.S. (82 million visitors) and worldwide (257 million visitors). A Microsoft/Yahoo! combined instant messenger audience of 298 million would reach nearly 77 percent of the instant messenger audience worldwide.
Properties
December 2007
Total – Home/Work/University Locations
Source: comScore Media Metrix
  Total Unique Visitors (000)
U.S. Worldwide*
Total Internet: Total Audience 183,619 815,797
Google Sites 132,954 587,806
Microsoft/Yahoo! Combined 163,581 664,819
 Microsoft Sites 120,034 540,285
 Yahoo! Sites 136,634 484,674
*Worldwide data reported for people age 15+ at world home/work locations
comScore Search Report
December 2007
Total – Home/Work/University Locations
Source: comScore qSearch
  Share of Searches
U.S.* Worldwide**
Total Internet: Total Audience 100.0% 100.0%
Google Sites  58.4% 62.4%
Microsoft/Yahoo! Combined  32.7% 15.7%
 Microsoft Sites 9.8% 2.9%
 Yahoo! Sites  22.9% 12.8%

*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.

**Based on the top 50 properties worldwide. Worldwide data reported for people age 15+ at world home/work locations

Share of Display Ads
November 2007
Total U.S. – Home/Work/University Locations
Source: comScore Ad Metrix
  Share of Display Ad Views
U.S.
Total Internet: Total Audience 100.0%
Google Sites 1.0%
Microsoft/Yahoo! Combined 25.5%
 Microsoft Sites 6.7%
 Yahoo! Sites 18.8%
e-mail (web-based)
December 2007
Total – Home/Work/University Locations
Source: comScore Media Metrix
  Total Unique Visitors (000)
U.S. Worldwide*
Total Internet: Total Audience 183,619 815,797
e-mail 142,428 564,196
Google Gmail 20,785 90,040
Microsoft/Yahoo! Combined 106,762 426,335
 Windows Live Hotmail 45,716 254,995
 Yahoo! Mail 82,485 256,607

*Worldwide data reported for people age 15+ at world home/work locations

Instant Messengers
December 2007
Total – Home/Work/University Locations
Source: comScore Media Metrix
  Total Unique Visitors (000)
U.S. Worldwide*
Total Internet: Total Audience 183,619 815,797
Instant Messengers 71,434 385,349
Google Talk (App) 530 4,385
Microsoft/Yahoo! Combined 41,160 297,832
 MSN-Windows Live Messenger 18,402 227,713
 Yahoo! Messenger 27,387 93,006

*Worldwide data reported for people age 15+ at world home/work locations

***********************************************

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

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



 

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