This document discusses various online tools that can be used to engage students, including blogs, wikis, podcasts, and social bookmarking tools. It provides descriptions of each tool and suggests ways they can be implemented in the classroom, such as having students create blogs to reflect on class assignments, using wikis for collaborative projects, recording podcasts to share knowledge with others, and using social bookmarking sites to collect and annotate online resources. The document emphasizes that these tools allow students to publicly share their work, provide feedback to peers, and participate in learning networks beyond the classroom.