Microsoft Sites Captures Largest Share of Time Spent Online Worldwide --Facebook and YouTube Combined Account for Nearly 10 Percent of Time Spent Online Globally

RESTON, Va., Nov 06, 2009 /PRNewswire-FirstCall via COMTEX/ -- comScore, Inc.

(Nasdaq: SCOR), a leader in measuring the digital world, today released a study of online engagement at the top worldwide properties based on data from its comScore World Metrix service. The study found that Microsoft Sites captured nearly 15 percent of time spent online worldwide in September, making it the most engaging global property, followed by Google Sites and Yahoo! Sites.

Facebook.com, which continues to see significant growth on a worldwide basis, was the fourth most engaging destination with visitors spending 1.4 billion hours on the site in August, up 193 percent from the previous year.

(Logo: http://www.newscom.com/cgi-bin/prnh/20080115/COMSCORELOGO) Microsoft Sites Captures Nearly 15 Percent Share of Attention Worldwide In September 2009, nearly 27 billion hours were spent on the Internet globally by a record online population of 1.2 billion Internet users age 15 and older.

Microsoft Sites accounted for 14.5 percent of total minutes spent online in September, making it the most engaging global property, with Microsoft's Windows Live Messenger representing nearly 70 percent of time spent on the property during the month. Google Sites captured 9.3 percent of total minutes (2.5 billion hours), with YouTube accounting for nearly half of total time spent (1.2 billion hours) at the property. Yahoo! Sites ranked as the third most engaging Web property at 1.7 billion hours, followed by Facebook.com at 1.4 billion hours. Facebook's share of attention reached 5.1 percent in September, an increase of 2.9 percentage points from the previous year, as its continued growth in popularity precipitated this surge in share.

Top Global Properties Based on Total Hours September 2009 vs. September 2008 Total Audience Age 15+ at Home/Work Locations* Source: comScore World Metrix ----------------------------- Total Hours (MM) --------------- Sep-2008 Sep-2009 % Change -------- -------- -------- Total Internet : Total Audience 21,746 26,988 24 ---------------------- ------ ------ --- Microsoft Sites 2,734 3,920 43 --------------- ----- ----- --- Google Sites 1,703 2,512 48 ------------ ----- ----- --- Yahoo! Sites 1,975 1,699 -14 ------------ ----- ----- --- Facebook.com 474 1,387 193 ------------ --- ----- --- Tencent Inc. 589 893 52 ------------ --- --- --- AOL LLC 584 513 -12 ------- --- --- --- eBay 231 239 3 ---- --- --- --- Fox Interactive Media 361 204 -44 --------------------- --- --- --- Baidu.com Inc. 175 163 -7 -------------- --- --- --- Lycos Sites 59 107 81 ----------- --- --- --- *Excludes visitation from public computers such as Internet cafes or access from mobile phones or PDAs.

Global Regions Exhibit Different Preferences at Top Online Brands A regional analysis of the top global properties in time spent by their visitors revealed different preferences across global markets. Microsoft Sites held the largest share of time spent among the top worldwide properties in Europe (16.8 percent), Latin America (35.9 percent) and the Middle East - Africa (33.1 percent). Yahoo! Sites captured the largest share of time in North America with 11.2 percent share, while also attracting a notable 7.9-percent share of time spent in the Asia Pacific region. Google Sites commanded a strong share of time spent in Latin America (19.4 percent), Middle East - Africa (9.7 percent), Europe (9.6 percent) and North America (9.1 percent). China's Tencent Inc.

captured the largest share of visitors' time in Asia Pacific with a 10.7-percent share, but had negligible engagement in other worldwide regions.

Share of Time Spent at Top 5 Global Properties Based on Total Minutes September 2009 Total Audience Age 15+ at Home/Work Locations* Source: comScore World Metrix ----------------------------- Share (%) of Total Time Spent Online in Region ---------------------------------------------- Middle North Asia Latin East - Worldwide America Europe Pacific America Africa --------- ------- ------ ------- ------- ------ Microsoft Sites 14.5% 8.6% 16.8% 6.4% 35.9% 33.1% --------------- ---- --- ---- --- ---- ---- Google Sites 9.3% 9.1% 9.6% 6.4% 19.4% 9.7% ------------ --- --- --- --- ---- --- Yahoo! Sites 6.3% 11.2% 2.0% 7.9% 2.1% 4.9% ------------ --- ---- --- --- --- --- Facebook.com 5.1% 6.0% 6.6% 2.4% 5.0% 8.0% ------------ --- --- --- --- --- --- Tencent Inc. 3.3% 0.0% 0.0% 10.7% 0.0% 0.0% ------------ --- --- --- ---- --- --- *Excludes visitation from public computers such as Internet cafes or access from mobile phones or PDAs.

"The Internet continues to be a dynamic and growing environment around the world with the global online population climbing more than 20 percent in the last year," said Jack Flanagan, executive vice president of comScore Media Metrix.

"With the U.S. economy only now emerging from a recession, many multinational corporations have shifted the focus of their growth strategies towards developing markets and the Internet represents an important aspect of those strategies. Understanding the global Internet landscape is the first step towards executing effective marketing strategies in these growing markets." 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.

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