At the same time, the TubeMogul Video Ad Platform has vaulted over five other U.S.video ad properties to land in fifth place in the rankings. Google sites ranked first with 1.41 billion ads, followed by BrightRoll Video Network with nearly 1.39...
TubeMogul took a sample of 25 major video advertising campaigns that ran identical videos within Facebook ad units (four types) and comparable click-to-play video ad units on publisher sites (i.e.standalone 300x250 ad units).
Studying 25 majors video advertising campaigns, TubeMogul, the online video distribution, ad and analytics platform, found that Facebook attracts "some of the most engaged viewers online," translating into the most minutes watched per view.