Inside AdWords: Click-to-play video ads for AdWords
Google had launched Google video ads ,which not only benefit the advertisers to display their ads more effectively ,but also benefits both publishers and Google advertising program.
Before launching Google video ads Google acquired youtube which also aid the Google video ads,
these ads are displayed by Google AdSense team by default, publisher cannot choose to display video ads.
Depending upon the performance of video streaming of a website, these ads will be added.
Google video ads will be displayed mainly on video sites .