The 10 Most Innovative Viral Video Ads of 20092009's crop of top viral video advertisements show us that people are willing to embrace a host of creative approaches on the social video Web, from beguiling mini-films, to user-generated advocacy, to YouTube celebrity endorsers, to elaborate commercial-grade productions. That's good news for creators. Regardless of the approach, the key for marketers is a solid understanding of what a brand is,
