RESTON, VA, January 14, 2013 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the comScore Video Metrix service showing that 182 million U.S. Internet users watched 38.7 billion online content videos in December, while video ad views totaled 11.3 billion.

Top 10 Video Content Properties by Unique Viewers

Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in December with 153 million unique viewers, followed by Facebook.com with 58.8 million, VEVO with 51.6 million, NDN with 49.9 million and Yahoo! Sites with 47.5 million. Nearly 38.7 billion video content views occurred during the month, with Google Sites generating the highest number at 13.2 billion, followed by AOL, Inc. with 692 million. Google Sites had the highest average engagement among the top ten properties.

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