Here is SeamBI's gallery of brand integration as you read about in the article on digital integration.
Is this the latest ad trend? Another approach that has been attracting a lot of interest and curiosity, is the notion of prankvertising where the advertisers devise a prank and film real live people experiencing the unexpected, film it and upload it on YouTube and then watch it go viral. While setting up the prank is expensive, the company saves by not paying for ad space.