This document discusses personal learning networks and personal learning environments. It defines personal learning environments as systems that help learners take control of and manage their own learning by setting goals, managing content and processes, and communicating with others. The document outlines how social media and Web 2.0 tools can be used to create personal learning environments and personalize learning. It discusses advantages like persistence, identity, and copyright control for learners. Policies are needed to support learner-controlled personalized learning through communities of practice and digital literacy.