You are if you have a corporate blog.

"...Only a small portion of Fortune 500 companies have their own blogs today, according to Forrester-despite the fact that blogging is inexpensive and easy compared with other marketing tactics. This is slowly changing as marketers realize the benefits of blogs, both on and off the search engine....

'Blogs are fabulous for search because of the way they are set up. They are template-driven, so they are reasonably search-friendly. They also satisfy a search engine's need for frequency, "recentness" and good, solid material. Blogs are typically keyword-rich, too.' "

Could not have said it better myself.

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