Go Local! 

Although this is critical for regional fiction and nonfiction writers, I believe all authors should establish some kind of locale where they can start to be known by media.  I've always believed the hometown-hero has some effect in our dwindling print ("newspaper") media world. Register your Twitter account with these directories which tie a ZIPcode to your tweets:

• Wikimetro: a twitter directory organized by geography
• LoadedWeb (by GeoPants): twitter and blog directory by geography