The document discusses how blogs, slideshares, and wikis can raise student engagement and achievement by providing easy to use and free platforms for student work. It describes these tools - blogs allow students to write entries and comment on each other's work, slideshares allows students to upload PowerPoint presentations for others to see and comment on, and wikis provide a shared space. The document suggests teachers can use these tools to provide coursework support, revision materials, and extended learning opportunities for students. It encourages teachers to experiment with the tools and develop plans for integrating them.