A state of the market: First, your friendly author takes you through trends in video consumption, users' consumption habits, and the estimated market size for video advertising.History of video ad serving: Robert Victor uses conversations with "Joe and Sam" to describe the evolving needs of buyers and sellers, and previews how Google and DoubleClick In-Stream can fill the gaps.AdSense for video: Shamim Samadi goes into detail about AdSense for video, describing the various formats we're supporting and recent success stories from Revver on the publisher side and HP on the advertiser side.YouTube: Tracy Chan describes the compelling opportunities for advertisers on YouTube and how marketers and video creators can take advantage of the new Insights tool to gather a variety of data on viewership of their videos.