I'm mainly a content curator. I find things of interest and share them. Occasionally I'll post a link back to one of my sites, but not often enough to seem spammy.
I start by bookmarking webpages that I think my readers would find interesting and informative. I used to use delicious.com, but I'm afraid they're dead or dying now.
So now I keep my bookmarks in a blogger blog. The problem is there aren't separate fields for a link and text. So I set the link as a header element: <h4>.