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GoogleGuy gets a BIG mention in the article even!
In the article the case history hammered by Florida recovers after 4 months of penalisation which is not what has happened to me under Bourbon (yet, but I hope). Somebody else should give the book reference. The author knows his stuff. A very interesting piece of work.
Any book that knows about Webmasterworld and Googleguy should be worth a read. I checked on the Amazons that it is not too expensive.
Articles like this help to bridge the understanding gap but its still a huge gap ( thank goodness! )
But "The Search" is amazing for the coverage from the first days of the search business. It also gives us a long-term perspective for SEOs regarding digital TV and advertising.
Another tipp: "AMBIENT FINDABILITY", by the IA Guru Peter Morville..