comScore, today released data from the comScore Video Metrix service showing that 175 million U.S. Internet users watched online video content in Oct for an average of 15.1 hours per viewer. Google Sites had the highest number of viewing sessions, crossing the 2.0 billion mark in Oct, and average time spent per viewer at 272 minutes, or 4.5 hours.
YouTube ranked as the top online video content property with 146.3 million unique viewers. Yahoo! Sites captured #2 spot with 53.8, while Facebook secured 5th place.
Hulu tops the highest number of video ad impressions at 1.1 billion. Tremor Media Video Network ranked second with 533 million, followed by ADAP.TV 435 million and BrightRoll Video Network 374 million. Video ads reached 45% of the total U.S. population an average of 34 times during the month.