Today's marketplace is fueled by knowledge. Yet organizing systematically to leverage knowledge remains a challenge. Leading companies have discovered that technology is not enough, and that cultivating communities of practice is the keystone of an effective knowledge strategy. Communities of practice come together around common interests and expertise- whether they consist of first-line managers or customer service representatives, neurosurgeons or software programmers, city managers or home-improvement amateurs. They create, share, and apply knowledge within and across the boundaries of teams, business units, and even entire companies-providing a concrete path toward creating a true knowledge organization. In Cultivating Communities ofPractice , Etienne Wenger, Richard McDermott, and William M. Snyder argue that while communities form naturally, organizations need to become more proactive and systematic about developing and integrating them into their strategy....