How Google AdWords Bidding Works – Quality Score

Great article that explains Google’s AdWords auction process. No real insight into Quality Score here, but it does explain how it figures in the mix.

Google Quality Scores and Ad Auctions

Added 11/08/2008

More on Quality Score woes here:
The Account Quality Score: Money Pit for the Uninformed
Google’s Ever-Evolving Quality Score

Added 11/11/08
Google AdWords Quality Score — That’s Old-School for SEO

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