comScore (NASDAQ: SCOR), a leader in measuring the digital world, released December 2007 data from the comScore Video Metrix service. The December 2007 report revealed that U.S. Internet users watched more than 10 billion videos online during the month, representing the single heaviest month for online video consumption since comScore initiated its tracking service.

Here is the list of Top5 Video Sites for the Month of Dec 2007

1. Google - 32%
2. Fox Interactive Media - 3.5%
3. Yahoo - 3.5%
4. Viacom Digital - 2.3%
5. Microsoft - 1.8%

Other notable findings from December 2007 include:

• 77.6 million viewers watched 3.2 billion videos on YouTube.com (41.6 videos per viewer).
• 40.5 million viewers watched 334 million videos on MySpace.com (8.2 videos per viewer).
• Online viewers watched an average of 3.4 hours (203 minutes) of online video during the month, representing a 34-percent gain since the beginning of 2007
• The average online video duration was 2.8 minutes.
• The average online video viewer consumed 72 videos.

Source: comScore