comScore video metrix service showing that 172 million U.S. Internet users watched online video content in November. The total U.S. Internet audience engaged in nearly 5.2 billion viewing sessions during the course of the month.
"Google Sites, ranked as the top online video content property with 145.8 million unique viewers. Yahoo! Sites took #2 spot with 61.8 million, followed by VEVO 50.3 million.
Google Sites had the highest number of viewing sessions with nearly 2.0 billion, and average time spent per viewer at 271 minutes, or 4.5 hours.
Americans viewed more than 5.4 billion video ads in Nov., with Hulu generating the highest number of video ad impressions at > 1.1 billion. Tremor Media Video Network ranked 2nd overall (and highest among video ad networks) with 477 million ad views.