As Google's YouTube and AOL and Yahoo videos gain popularity, brands are looking for ways to monetize online video. "Advertisers who used to get a lot of reach by buying spots on prime time TV are finding that they are reaching less of an audience, so they are looking for new opportunities, especially with younger audiences," said Usha Srinivasan, VP of product marketing at Vobile, which helps advertisers identify user-generated content to ensure that ads are safe against the content.