Most 'how-to' guides for company blogging focus on marketing and PR objectives: positioning your organization as a thought leader, or using it as a "free" channel to get company news out there.
We have a blog like this at our RISD, but we also have another, behind-the-firewall blog that is used for management, not marketing.
To read the entire article, please follow the link below:
http://blogs.harvardbusiness.org/maeda/2009/08/blogging-as-management-not-mar.html