BL Ochman (featured next week on Conversations with Experts) has an excellent interview with Alice Marshall on How to Use a Blog to Get Clients.
Alice Marshall's Presto Vivace blog is targeted to a very tight niche market and she writes the go-to blog for government technology standards and related events in the Washington, DC area. Though she has a narrow audience, her frequent posts and valuable info have attracted clients. It's not the quantity of readers, it's the quality, and here's proof.





