Blogging Pedagogy

I'm hoping to crowdsource some brainstorming about the pedagogical potential of blogging on learning. Lately, in my work with Dan Hickey's 21st Century Assessment Project, I've been thinking tons about how integrating blogging in the writing classroom might build a rich new media learning environment that focuses on a wide range of literacy practices. I've started a provisional list below but am hoping that others (most importantly for me, people who have worked with blogs in their classrooms) can offer ideas for additions to this list.