comScore released July 2009 data from the comScore Video Metrix service, showing that 158 million U.S. Internet users watched online video during the month, the largest audience ever recorded. Online video reached another all-time high in July with a total of 21.4 billion videos viewed during the month.

Top 10 Video Content Properties by Videos Viewed

In July, Google Sites continued to rank as the top U.S. video property with a record 8.9 billion videos viewed, making up 42 percent of all videos viewed online. YouTube.com accounted for more than 99 percent of all videos viewed at the property. Viacom Digital ranked second with 812 million (3.8 percent) followed by Microsoft Sites with 631 million videos viewed (3.0 percent).

    Top U.S. Online Video Content Properties* by Videos Viewed
    July 2009
    Total U.S. - Home/Work/University Locations
    Source: comScore Video Metrix
    -----------------------------
    Property                      Videos       Share (%) of
    --------                       (000)          Videos
                                    ----          ------
    Total Internet              21,371,342         100.0
    --------------              ----------         -----
    Google Sites                 8,953,948          41.9
    ------------                 ---------          ----
    Viacom Digital                 812,343           3.8
    --------------                 -------           ---
    Microsoft Sites                630,631           3.0
    ---------------                -------           ---
    Fox Interactive Media          558,500           2.6
    ---------------------          -------           ---
    Hulu                           457,010           2.1
    ----                           -------           ---
    Turner Network                 390,848           1.8
    --------------                 -------           ---
    Yahoo! Sites                   374,746           1.8
    ------------                   -------           ---
    Disney Online                  169,756           0.8
    -------------                  -------           ---
    CBS Interactive                150,165           0.7
    ---------------                -------           ---
    ABC Television                 137,800           0.6
    --------------                 -------           ---

    * Rankings based on video content sites; excludes video server networks.
      Online video includes both streaming and progressive download video.

Top 10 Video Content Properties by Viewers

More than 158 million viewers watched an average of 135 videos during the month of July. Google Sites surpassed its all time high with 121 million unique viewers during the month (74.1 videos per viewer), followed by Microsoft Sites with 65 million viewers (9.8 videos per viewer) and Fox Interactive Media with 52 million viewers (10.8 videos per viewer).

    Top U.S. Online Video Content Properties* by Unique Viewers
    July 2009
    Total U.S. - Home/Work/University Locations
    Source: comScore Video Metrix
    -----------------------------
    Property                Unique Viewers    Average Videos
                                  (000)          per Viewer
    --------                --------------    ---------------
    Total Internet                 158,384             134.9
    --------------                 -------             -----
    Google Sites                   120,852              74.1
    ------------                   -------              ----
    Microsoft Sites                 64,540               9.8
    ---------------                 ------               ---
    Fox Interactive Media           51,830              10.8
    ---------------------           ------              ----
    Yahoo! Sites                    47,363               7.9
    ------------                    ------               ---
    Viacom Digital                  42,415              19.2
    --------------                  ------              ----
    Hulu                            38,132              12.0
    ----                            ------              ----
    Turner Network                  35,676              11.0
    --------------                  ------              ----
    CBS Interactive                 30,736               4.9
    ---------------                 ------               ---
    AOL LLC                         24,161               5.2
    -------                         ------               ---
    FACEBOOK.COM                    20,517               4.0
    ------------                    ------               ---

    * Rankings based on video content sites; excludes video server networks.
      Online video includes both streaming and progressive download video.

Top Video Ad Networks by Potential Reach

In July, ScanScout Network ranked as the #1 video ad network with a potential reach of 80.1 million viewers, or 50.6 percent of the total viewing audience. Tremor Media ranked second with a potential reach of 71.1 million viewers (44.9 percent penetration) followed by YuMe Video Network with 68.1 million viewers (43.0 percent).

	 Top U.S. Online Video Ad Networks by Potential Unique Viewers
         July 2009
         Total U.S. - Home/Work/University Locations
         Source: comScore Video Metrix
         -----------------------------
    Property                                       Unique
                                                   Viewers       Viewer
                                                    (000)      Penetration
    --------                                        ------     -----------
    Total Internet : Total Audience                158,384           100.0
    -------------------------------                -------           -----
    ScanScout Network - Potential Reach             80,134            50.6
    -----------------------------------             ------            ----
    Tremor Media - Potential Reach                  71,170            44.9
    ------------------------------                  ------            ----
    YuMe Video Network - Potential Reach            68,163            43.0
    ------------------------------------            ------            ----
    Broadband Enterprises Video Network -
     Potential Reach                                62,680            39.6
    -------------------------------------           ------            ----
    BrightRoll Video Network - Potential
     Reach                                          62,357            39.4
    ------------------------------------            ------            ----
    Advertising.com Video Network -
     Potential Reach                                53,802            34.0
    -------------------------------                 ------            ----
    SpotXchange Video Ad Network -
     Potential Reach                                47,428            29.9
    ------------------------------                  ------            ----
    Break Media Video Ad Network -
     Potential Reach                                36,262            22.9
    ------------------------------                  ------            ----
    Nabbr - Potential Reach                         19,918            12.6
    -----------------------                         ------            ----

Other notable findings from July 2009 include:

• The top video ad networks in terms of their actual delivered reach were: Tremor Video Network (20.1 percent viewer penetration), Brightroll Video Network (17.4 percent), and BroadbandEnterprises.com (14.4 percent).
• 81.0 percent of the total U.S. Internet audience viewed online video.
• The average online video viewer watched 500 minutes of video, or 8.3 hours.
• 120.3 million viewers watched 8.9 billion videos on YouTube.com (74.1 videos per viewer).
• 48.2 million viewers watched 518.6 million videos on MySpace.com (10.8 videos per viewer).
• The average Hulu viewer watched 12.0 videos, totaling 1 hour and 13 minutes of videos per viewer.
• The duration of the average online video was 3.7 minutes.