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Latent dirichlet allocation is the newest school of thought on content: http://www.seomoz.org/blog/lda-and-googles-rankings-well-correlated Essentially focusing on contextual clues to reinforce the idea of what a page is really about. Writing about Jaguar the animal, talk about fur.  Writing about Jaguar the car, mention spark plugs. Here's a followup article to SEOMoz's that's quite informative: http://www.seangolliher.com/2010/seo/185/ It get's into the actual math of the data.

Thanks, Robert. Hope business is going good for you this fall!

Great response...I'm going to keep this in mind the next time I work on my page titles.