What do you get when you combine a platform for creating user-generated video content with the micro-blogging sensation that is Twitter? According to 12seconds.tv, you get a viable business model for your company, a platform that allows brands to leverage Twitter for communication, and a way for everyday Twitter users to have fun and earn prizes. Does that sound like a win-win-win all around? It very well may be...or it may just be the first example of how Twitter is transforming from a fun, com