I was looking for tips online for making money through blogs and look what I found - Blogging for business: 7 tips for getting started. It talks about:
1. Identify your audience
2. Decide where your blog should live
3. Start talking
4. Get into the practice of "blogrolling
5. Emphasize keywords
6. Keep it fresh
7. Watch your traffic closely

Wow I never imagined that I wil find something like this on Microsoft!