Video in-stream ads are appear before, during and after Internet videos. They delay or interrupt the video and typically last 15 to 30 seconds.
300×250 companion display is highly recommended but is 100% video. Once users land on a page, they begin watching the video.
Video was the fastest growing form of ad format from 2012.
Viewers retain 95% of a message when they watch it in a video compared to 10% when reading it in text. 34% of shoppers are more likely to purchase after viewing an online video ad.