Wikis and blogs are collaborative tools that can be used for education. Wikis allow multiple users to easily add and edit content on interlinked pages, making them good for group projects. Blogs contain posts in reverse chronological order that are owned by an author and can accept comments. Both tools have free hosted options and can be used for knowledge sharing, though wikis involve less ownership of content than blogs. The document provides examples and considerations for using wikis and blogs in education.