By Greg Nudelman and Frank Guo Published: November 2, 2009 In this installment of Search Matters, well continue our discussion of ads in search results. If you missed it, read Part 1,which covered these best practices:Integrate your ads appearance with the rest of your site. Make sure customers can easily distinguish ads from content. Keep ads relevant and appropriate. Understand how your customers interact with ads. In Part 2, well discuss the following best practices:Understand what makes a go