Blogs come and go, interest change. Blogs die out, new blogs are created. Old voices fade, new voices appear. Many reasons to follow a blog, to which some are listed here.

I read you regularly.
I like you / I like your blog / I follow you on twitter.
You have a distinct style, personality, and opinion. (Probably this)

List of blogs I read, linked exchanges, and places of interest around the web.
Check them out!