ROI: why it matters and how to track it -- part 3 of 3

In part two of this series, Fred Vallaeys, Product Evangelist for AdWords, discussed how to set up the conversion tracking feature available in every Standard Edition AdWords account -- and how to use conversion tracking information to track your ROI. Today, in the final installment of the series, Fred is back with tips on how to start using that ROI data to your advantage.Once you have a week's