This document introduces various Web 2.0 tools and provides examples of how they can be used for communication, collaboration, and education. It discusses social bookmarking sites like Delicious and Diigo, the photo sharing site Flickr, podcasts, YouTube, instant messaging with tools like Meebo, and provides references for further information. Examples include using Flickr for virtual field trips, Delicious for collaborative tagging, and podcasts or YouTube for making lectures and tutorials available online.