This article from the Australian tells of James Farmer, an academic from Deakin University who through his web portal, edublogs.org, teachers and students can set up free blogs using WordPress, an open-source tool. Farmer offers free blogs for teachers, researchers, librarians and other education professionals.
This Wiki lists Australian educators who have blogs and/or podcasts. I have added my little blog to the list. I see that I am in illustrious company. Other blogs listed include TomMarch's ozBlog, PD Spot by Garry Chapman and Warwick Wynne's teaching and learning.
The worldwide classroom - Blogs are the new discussion groups for schools by Jennifer Cook
A new blog in which two Kansas Librarians share viewpoints about serving teens, as well as day-to-day commentary on what the librarians are learning and experiencing. http://www.yalibrarian.com/
If you have a personal library or want to create a digital reading log consider using LibraryThing http://www.librarything.com/ One can even create a widget to post into a blog. I have had enormous fun entering my reading log into this tool. The free version allows for up to 200 entries - I can see uses for students in English creating databases of their reading, for librarians creating reading lists for students......