Amazon has the “So you’d like to…” guides to share product lists spanning a unique category. iTunes Music Store has iMix. What are the data structures for the online publishing world’s self published guide lists? Users of news aggregators in search of new feeds might browse a directory such as Syndic8. While viewing a channel, they see a few guides containing this feed. So you would like to… be a Web standards guru, learn photography, keep up on world news, etc. Guides could be published using OPML. It is Share Your OPML, at a very targeted level. The user would consume a CSS, SQL, San Francisco Giants bundle similar to an iMix listing in iTunes. Grab a feed at a time or load the full OPML.