1. The document discusses incorporating user-generated content and Web 2.0 technologies like wikis, blogs, and social bookmarking into classroom lessons.
2. It defines key concepts like user-generated content and social bookmarking and provides examples of how students can create wikis and use social bookmarking tools.
3. The document recommends using wikis to create collaborative workspaces for student projects and outlines additional Web 2.0 resources for teachers.