The Wall Street Journal gives a good overview on the success that a variety of businesses have achieved via business blogging. And as expected, the assessments are all positive.

Blog Marketing Successes
A forensic accounting expert never had one case come her way via the company website. Her inclusion of blog marketing brought her the search engine [...]

Browsing through websites of local retailers and small businesses you tend to find sites that evidence a great deal of sincere effort invested into content that can only serve them a limited amount of time. Static websites, no matter how attractive or informative, are immediately stale upon the second visit and as soon [...]