A video ad is considered viewable when at least 50% of the ad's pixels are visible on a desktop screen for at least two consecutive seconds.
YouTube watch time for sports like track and field, gymnastics, swimming, and volleyball between Mar. 2015 and Feb. 2016 exceeded total watch time for all of the estimated content ever broadcast on ESPN by 30X.
Black millennials watch substantially more YouTube on mobile than other millennials.
of vlog content on YouTube comes from brands.
Mastheads generated 6.4X as much revenue per $1 spent as TV.
Views of real estate videos on YouTube increased 13% YoY.