The key to online business is traffic, especially if you run your business on your website. So the most important thing webmaster should do is creating good contents then drive large amount of visitors to read them. This is why more and more websites dedicating to drive traffic launched.
Recently Buzzfuse.com launched their service to help bloggers to get traffic to theirs blogs. They use new technology to do this, I think they will be successful in future.
For me, I am always pursuing news ways to promote my blog, so I will give this a try.