The document discusses new approaches to blended learning that blend different learning paradigms, not just different versions of the same paradigm. It argues that social and informal learning models can plug holes in top-down approaches by providing more flexibility and expanding what's possible. This represents a shift for learning professionals from being a "pipe" that delivers content to a "plumber" that facilitates social learning. Specific strategies are provided for leadership development, onboarding, initiatives/rollouts, compliance, certification, and extended enterprise using social tools like blogs, forums and communities.