Today's Dilbert cartoon has the most concise explanation I've seen yet about why most companies should not blog.
More reasons not to start a corporate blog:
1 - every post has to be vetted by legal or PR. It won't ring true.
2- you're not prepared to allow any negative comments. Blogs are not monologues.
3- the purpose of your blog is message control -- which is, and always has been an illusion.
About BL Ochman B.L. Ochman, Managing Director of Emerging Media for WPP-owned Proof Integrated Communications, has been helping Fortune 500 companies strategically incorporate new media into their marketing mix since 1996.