While in San Jose, California for the recent Search Engine Strategies (SES) conference, WebmasterWorld video content producer Vanessa Zamora caught up with Brad Geddes, CEO at pay per click, search engine optimization, and Internet marketing training service firm bg Theory. Geddes, a Google AdWords seminar certified trainer, shares his must-have list of free Google tools for search marketers, and provides examples of how the tools can help to improve AdWords pay per click (PPC) marketing campaigns.