Remember when Facebook hit 500 million active users and we all placed bets on whether or not a single website could ever reach 1 billion? And then last September when Facebook actually hit 1 billion, everyone in marketing called the game? Meanwhile, YouTube quietly (and I say quietly because for some reason marketers and Internet trend spotters alike failed to even classify it as a social networking site) reached the same unreachable milestone. And still marketers are allocating their social budgets mostly to Facebook and Twitter while ignoring YouTube. This presentation outlines why YouTube should be a priority in your channel strategy and how to leverage thriving YouTube communities to get results.