But I realize that it has so much more the offer than a pool of knowledge. It allows users to connect with others in a very viable way. I can email to my students and their parents to keep them up to date. Blogging offers an interesting way to teach class. A lot like podcasting or posting a recording of the teacher's lecture, teachers can post classnotes or even the lesson itself and allow the students to follow on what's going on. This doesn't replace the classroom itself but it allows it to be a supplement for the students.
Furthermore, using the educational blogs as a personal blog can be beneficial for the students. Students would relate to the teascher more readily. However, this can be a problem if students become too close to the teacher. Some people can view this as inappropriate or some teachers can view this as an invasion of privacy. So making it personal can create some issues.
I do believe that this is probably a slow transition from the old schooling to a newer way, reaching students beyond the classrooms.
And now the obligatory adding image part of the exercise:
And now the two site which I spend waaaaay too much time (time sinks basically)