Web 2.0 branding is relatively easy. When I examine my various writing projects, a number of conceptual items stand out:
Edocuments [Napster-like publishing industry changes that few have noticed].
Various "creativity projects" — for example, my Most Valuable Actor and Most Valuable Character awards.
I treat daily life as if it were a writing project — I constantly edit, ergo improve, everything in my life.
That's what I do, with the general idea being to leverage the above thought process throughout my various writing and Web 2.0 marketing projects to the point that it is recognized as mine — and is associated with my name — also associated with an iconic image, such as this:

I use my initials with Web 2.0 posts, why not as a logo, too?