One of the features of the current WordPress admin is a section called Incoming Links, which uses Google’s Blogsearch function to tell me who, if anyone, is linking here. Sometimes it works perfectly well; sometimes, not so much. Last I looked, I had four incoming links, one from this past week, one from last summer, one from 2011, and one from 2007.
In case you’re curious, that most ancient of links came from a formerly obscure local social blog that gets about 26 times my traffic. By coincidence — at least, I think it’s coincidence — they threw me some Twitter traffic today.