Lev Grossman takes a pragmatic look at the changing state of authors, readers, and the definition of publishing:
Self-publishing has gone from being the last resort of the desperate and talentless to something more like out-of-town tryouts for theater or the farm system in baseball. It's the last ripple of the Web 2.0 vibe finally washing up on publishing's remote shores. After YouTube and Wikipedia, the idea of user-generated content just isn't that freaky anymore.