Logging into Google AdWords, you will quickly find a large number of very useful tools at your disposal. These tools will make it possible to proof your ads for errors, choose their placement, optimize your website, and generate a huge number of reports so you can how your ads are performing against other sites, in their demographics, and much more. But probably the most powerful tool you will find the Google Adwords keyword suggestion tool, which uses ad data to generate a list of related keywords along with their recent search data and their cost.