This document introduces blogs, journals, and wikis as tools to maximize classroom collaboration using web 2.0 technologies. It defines collaboration as working together for a common end and lists wikis, blogs, and social bookmarking sites as examples of web 2.0 technologies that emphasize online collaboration and sharing among users. The objectives are to describe benefits and obstacles to collaboration, identify online tools that support collaborative work particularly on shared documents, provide examples of collaborative teaching and learning uses, and determine how to evaluate using these tools for different educational situations.