The document discusses using weblogs or blogs in K-12 classrooms. It describes blogs as easily created websites that allow instant publishing. The document recommends blogs can be used for class portals to share course information, online portfolios to collect student work, and collaborative spaces for students to share ideas. Some benefits mentioned are fostering online communities, going paperless, organizing student work chronologically, and promoting better work through publishing. Teachers are encouraged to post lessons, questions for student reflection, and allow students and parents to contribute to the blog.