Newest Google AdSense Blog Post is titled “Getting the most out of AdSense”.

Christian Ashlock, AdSense Optimization Team, says: “I hope this week you’ve discovered a new feature or learned how to improve your use in a way that will benefit your site and your earnings. Today I’m going to share my top 3 tips for getting the most out of AdSense”.
http://adsense.blogspot.com/2006/08/christians-tips-getting-most-out-of.html