Newsome.org has a great article on why making it in the blogosphere is really hard nowdays:
Unfortunately, like the real world, sometimes the blogosphere is about who you know as much as what you know.
Read the full article.
This is a point that comes up quite often lately. I'm not impressed: power is never evenly distributed. But things are not that bad. Expect the next social-something system to generate a new star system and new stars, it can't be far...