This document discusses the history and concepts of Web 2.0, including its focus on user-generated content and collaboration. It describes how Web 2.0 enables new socio-technical systems by making it easy to track events and share information. The document also discusses how Web 2.0 can support personal learning environments that give learners more control over their education through collaborative learning and construction of online artifacts. While academic mindsets may need to change to fully leverage Web 2.0's potential, the document argues it allows moving in promising directions for both teaching and research.