This document discusses personal learning networks (PLNs) and how educators can use social networking and web tools to build connections with other educators and engage in ongoing professional development. It provides examples of social media and collaboration tools that can be used to connect, share resources, and learn from other education professionals. The document emphasizes that PLNs are about contributing to the network in addition to simply following others, and that trust and reciprocity are important for knowledge exchange within a professional learning community.