What do the best blogger in the world do to become so popular? Why are they so successful? How do they do it? Do they do everything by themselves, or do they get some help?

While searching the web the other day, I found this: http://www.howtobuildyourdreamteam.com/The dirty little secret about the most popular blogs in the world. If you are a bit like me, you'll get some valuable info that might be useful.