DeWitt Clinton:

...a number of interesting relationships were still hidden inside my private Google Reader subscription list. This short guide demonstrates how I extract that information and publish it publicly via plain HTML decorated with XFN markup.

Sweet, I didn't know you could do that. The secret sauce is the new options that appear once you've tagged a bunch of feeds and then made that group of tagged items 'public'. I've now used the same technique to add yet another column to my me page. [code]