Hi Jeffrey!
I found odd the position of the teacher. To require permission to comment about the class in a blog or twitter?
I would be glad if my students were willing to spread what I teach them.

Have you seen this post?
Rhizomatic Knowledge

In case the link does not work here is the address:
http://www.emanuelazibordi.it/drupal/?q=CCK08+week+2.0

See you around. Love: Maru