This presentation provides an overview of the different types of external communities. The presentation describes the role of crowdsourcing, crowdsourcing 2.0, open collaborative communities, open innovation and peer to peer communities. This content was derived from a study conducted in 2013 on Bridging enterprises and their use and facilitation of open communities of practice. You will learn about the community types, the persona most prevalent in each type of community, and tips for facilitating open collaborative communities.