I'm learning ...
To my mind - blog postings by and large should relate to other people, other blogs and things going on in the world. The more links (connections) a blog posting has - the better. Every posting should have at least one relevant link.
And when you discover like-minds - other blogs that you love - you should post them to your blogroll - so other people (like you) can find and enjoy them too.
I'm also learning to frequently check the referer links to my k-log to discover other bloggers who are linking to me. These are often like-minds who have great blogs and whom I start to visit time and time again.
Here is a little bit more on the subject