According to comScore's (NASDAQ:SCOR) Video Metrix service, 187.8 million Americans watched 46.6 billion online content videos in March, while the number of video ad views totaled 28.7 billion. Other findings from March include:

• 85.9% of the U.S. Internet audience viewed online video.
• The duration of the average online content video was 4.3 minutes, while the average online video ad was 0.4 minutes.
• Video ads accounted for 38.1% of all videos viewed and 5.1% of all minutes spent viewing video online.