The charts he incorporates are helpful but could include more information to clarify some general concepts. I believe the author still needs to think about what specific message is desired. Readers will be confused by the article in its present form. Without counting articles, I sense that there seems to be more frequent articles about accreditation issues, guidelines for developing quality distance delivery, etc. Use of this statement seems to demand evidence.
Many articles seem to focus on ways to increase and manage interactivity.