This document discusses personal learning environments (PLE), Web 2.0, and social software. It defines a PLE as a system that helps learners take control of and manage their own learning goals and process. Web 2.0 is defined as websites that allow users to interact, collaborate and generate content, as opposed to passive viewing. Examples include social media, blogs and wikis. The document discusses advantages of using social bookmarking and Web 2.0 technologies in education, noting they prepare students for shifting models of learning and allow more student participation and control.