to wiki or to blog?

http://exploringweb2tools.wordpress.com/2009/07/26/to-wiki-or-to-blog-that-is-the-question/

                             Blogs                                                         Wikis


Authoring       Usually one author                                       Usually many authors

Organization   Reverse chronological order                        By topic

Flexibility        Content is not usually edited                       Always changing

Feedback      In the form of comments                             Readers can comment or make edits directly on page

Content          Thoughts                                                  Topic knowledge

Purpose         Good for communicating information         Collaborative building of knowledge