Types of Corporate Blogs and Categories of Communities

Brian Oberkirch
has a good entry on types of Corporate blogs. It is a good list which compares well to the categories of Communities.

Here are some other types of communities postings:

1. We are smarter than Me also has a good list of types of communities which they reference.
2. Nancy at Fullcirc has another list of multiple types of communities.
3. Finally Face2Interface has an list of 4 types of their communities.