The Nielsen Company
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Media Alert
Media Contacts:
Michelle McGiboney
Pr.us@nielsen.com
NIELSEN ANNOUNCES SEPTEMBER U.S. ONLINE VIDEO USAGE DATA; TOTAL VIDEO
STREAMS VIEWED ONLINE INCREASE 25 PERCENT YEAR-OVER-YEAR
New York, NY – October 12 2009 – The Nielsen Company today reported overall online video usage
and top online brands ranked by video streams for September 2009. Year-over-year, unique viewers,
total streams, streams per viewer and time per viewer were up, led by 25 percent growths in total
streams and time per viewer.
Table 1: Overall Online Video Usage (U.S.)
Sep-09 Year-Over-Year Month-Over-Month
Unique Viewers (000) 139,334 12.3% 0.1%
Total Streams (000) 11,021,873 24.8% -3.0%
Streams per Viewer 79.1 11.1% -3.2%
Time per Viewer (min) 195.2 24.8% -4.7%
Source: Nielsen VideoCensus
Note: Includes progressive downloads and excludes video advertising
Table 2: Top Online Brands ranked by Video Streams for September 2009 (U.S.)
Total Streams Unique Viewers
Video Brand (000) (000)
1. YouTube 6,688,367 106,180
2. Hulu 437,407 13,519
3. Yahoo! 228,494 30,084
4. MSN/WindowsLive/Bing 180,104 18,109
5. Fox Interactive Media 139,634 14,342
6. Nickelodeon Kids and Family Network 127,654 5,303
7. Turner Sports and Entertainment Digital Network 123,665 6,062
8. MTV Networks Music 116,839 9,647
9. ESPN Digital Network 114,652 9,299
10. Facebook 110,418 23,161
Source: Nielsen VideoCensus
Note: Includes progressive downloads and excludes video advertising

Note: Effective with June 2009 data reporting, Nielsen has made several enhancements to the
VideoCensus service, including a panel that is 8 times larger, more granular reporting and improved
accuracy and representativeness. These enhancements provide the highest quality data to our clients
and the marketplace. For some sites, trending of previously-reported data with current results may
show percentage differences attributable to these product enhancements and should only be
compared directionally.
VideoCensus Methodology and Metrics:
Nielsen Online’s VideoCensus combines patented panel and census research methodologies to
provide an accurate count of viewing activity and engagement along with in-depth demographic
reporting. Online video viewing is tracked according to video player, which can be used on site or
embedded elsewhere on the Web. For example, if a “Saturday Night Live” clip from NBC.com is
embedded on a personal blog, that video would be attributed to NBC because of the NBC video
player.
A unique viewer is anyone who viewed a full episode, part of an episode or a program clip during the
month. A stream is a program segment. VideoCensus measurement does not include video
advertising.
About Nielsen:
The Nielsen Company’s online and mobile solutions deliver comprehensive, independent
measurement and analysis of digital audiences, advertising, video, consumer-generated media, word
of mouth, commerce and consumer behavior. Nielsen enables clients to make informed business
decisions about their digital and mobile strategies. For more information, please visit
www.nielsen.com. Also, visit us at blog.nielsen.com/nielsenwire/.
Editor’s Note: Please source all data to The Nielsen Company.
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