Official Google Blog: AdSense for video now in beta
as we all know video and video website are very popular for spending pasttime and expressing your self in a much better way. Google had acquired youtube and now entered in to video add network program
if you have a website or blog where you display hundreds of video, then here is you good chance of increasing you add revenue from your website using Google video AdSense.
"how to do it"
just nothing if you are using google advertising program, google itself will display relevant adds on your site