POC
Course blogs:
Wayne Ross, http://blogs.ubc.ca/ssed317/ - Multiple authors (including students); course content in blog posts
David Vogt, David Porter, Jeff Miller - http://blogs.ubc.ca/etec522/ - Course content on hierarchical pages, discussion via blog posts. Comments limited to students.
Jeff Miller - http://blogs.ubc.ca/etec521/ Will eventually aggregate posts from other UBC WPMu blogs
Jon Beasley-Murray - http://blogs.ubc.ca/etec521/, http://blogs.ubc.ca/span364/ - aggregates posts from student-managed blogs that they have set up themselves off-site.
Other POC projects:
Blog Squad