2010 benchmark data from Pointroll found that large rectangular in-video banner ads outperformed other in-video ad units, with a 50 to 100 percent watch-to-completion rate.

Fewer than 20 percent of the videos that make it onto Advertising Age's Top Ten viral video marketing chart are repurposed TV ads, but nearly 100 percent of the online videos have some type of viral web video marketing campaign to promote the content.