In the U.S., watch time of top 20 TV celebrity videos on YouTube has tripled since 2013. Appears In YouTube user stats from Brandcast 2017: 3 trends in video viewing behavior Related Data 440M+ minutes of watch time captured by the top 20 Super Bowl ads on YouTube. Super Bowl ad viewership on YouTube via television screens has grown nearly 3X YoY. Super Bowl ad viewership on YouTube outside the U.S. has grown over 28X. < 60 % Watch time for comedy videos has grown over 60% in the least year. Influencers are just as likely as celebrities to drive buying decisions. 73% of YouTube gamers say they enjoy watching others play games on YouTube.