I’m probably the only person in the universe who found this amusing, but at my day job (worrying, link b0rked this second), we were discussing our Google AdWords campaign. In an attempt to explain what the heck I was talking about, I rendered this fantastically-cogent diagram on the whiteboard. With this kind of strategy, we’ll be beating away new clients with a stick:
It’s a good thing I’m not in information architecture. It does highlight the innate complexity of Google AdWords, and how much work you have to do if you want to optimize your return.
DarrenBarefoot.com 
Daren,
Im just getting into the SEO game. I am a branding/print/event specialist.. but my clients are dragging me kicking and screaming into the world of SEO. I did a search for local adwords strategy and saw this diagram.
WOW. HOLY CRAP. I think this is all I need! I must say its brilliant…. even if its from 2004
The art of SEA is something we still need to master. This diagram does show it is rather complicated….