This document discusses communities and networks in education. It begins by defining communities as collections of individuals bound by shared ideas and ideals. Networks are created through publishing ideas and connecting with others who share passions. The document discusses how professional learning in the 21st century will focus on connections through personal learning networks, communities of practice, and professional learning communities. It emphasizes building capacity through collaboration and developing a collaborative culture with a focus on shifting from teacher isolation to meaningful collaboration. Examples of community-driven collaboration include action research.