It is really important to let people know about your work and there are some fantastic resources to promote blogs. In Australia, we have Gnoos.com.au, which is a startup by Ben Barren and others. Perhaps the world leader is Technorati - here is my listing there Technorati Profile
You may have noticed links from websites you have visited to other sites such as Digg, StumbleUpon, Redditt. I think there is a fair bit of confusion on how they work and what they can do for you.
If there is enough interest, I will post a simple explanation. Let me know if you want that.