Here is a good article discussing the importance of your company’s blog.
Since there are so many social media options available, it is good to maintain some perspective. The post provides a good mental image (for Star Wars/Star Trek geeks like me) to help you maintain that perspective:
Your blog is your mothership. Don’t neglect it for lesser tools.”
http://chrisguillebeau.com/3×5/the-unconventional-guide-to-the-social-web/
The post also provides some useful thoughts on how to maintain your blog as well.
Here is the link: Your blog is your mothership.