This document discusses Web 2.0 and its applications for use in K-2 and 3-5 classrooms. It defines Web 2.0 as facilitating communication, information sharing, collaboration, and user-centered design on the World Wide Web. Examples of how to get started using Web 2.0 tools in the classroom include using online libraries and multimedia dictionaries for research, collaborative writing tools like blogs, and communication tools like Skype. Digital tools can be used for problem solving, analyzing problems, and creating original works.