I noticed Trent Baston has been writing some interesting opinion pieces for Campus Technology. Yesterday's article was "Learning in the Webiverse: How Do You Grade a Conversation?" Here's the teaser:

Academics have long talked of the "academic conversation." Now, Web 2.0 has called our bluff. We live in the midst of a non-stop world conversation. But, are conversational skills (in writing) important and, if so, how do we teach them?

See also these recent articles:
Can We Trust Students to Learn in Web 2.0? (4 June 2008)
Writing: It Ain’t the Same Anymore (27 May 2008)
ePortfolios: Hot Once Again (16 April 2008)

And there are more!