This document discusses various Web 2.0 tools that can be used to facilitate online learning and social skills practice. It describes tools for text, audio, and video communication like blogs, wikis, podcasts, and video chat. Examples of synchronous tools mentioned are chat platforms, Skype, and virtual worlds like Second Life. Online learning environments and class discussion facilitators are also outlined. The document provides links to specific tools and resources and discusses how teachers can guide students in using these tools to practice language skills and expand their cultural understanding in a global context.