Marketing Week Google Adwords Overhaul!Search Engine JournalIf any of you were looking at Google Adwords the past few days, you may have noticed a few interesting things. Google has decided to add some new features …What's Changing With Google's AdWords Certification & API Quotas?Search Engine Roundtable (blog)Google Gives Qualified Agencies Preferred AdWords API PricingWebProNews (blog)Google Closes