This document discusses communities of practice and how they can be used to share knowledge, bring together expertise, and encourage innovation within organizations. It explains that communities of practice were started to manage knowledge collaboratively, generate innovation, and provide value. Groups were selected and quick wins identified to attract enthusiasts when first beginning. Feedback was gathered continuously, new techniques introduced, and social media tools learned to help the communities progress. Key lessons included increasing buy-in, participation, facilitation skills, offline activities, and stakeholder support. Communities of practice have resulted in savings for organizations.