Linking

I think part of the problem is I'm not cultivating links. If I link to someone, they aren't obliged to link back to me. So what are the ways to drum up some readers?

1. Tag more consistently

2. Write to a specific audience. At this blog I tend to write to anyone, and on every subject, and this scattershot approach probably doesn't help with building a consistent audience.

3. Get more involved in the social media process - Digg, NewsVine, Del.icio.us; what are all of these things and what do they mean?