August 23, 2012 – Market research firm, comScore reports that over 184 million US Internet users watched 36.9 billion online content videos in July.  Google (driven primarily by YouTube) was the leading online video content property with 157 million unique viewers, and was followed by Facebook with 53 million, Yahoo with 48.7 million, VEVO with 44.8 million, Microsoft with 42.7 million, and AOL with 39.8 million unique viewers.