What is Google Adwords?

Google AdWords™ is a pay-per-click (PPC) advertising. You pay only when users click on the ad you created. You can control your costs by setting a daily budget for what you are willing to spend per day. Ads are shown on Google search and on it's sponsored listings, and you can choose where you want to place them if on just one or both. You can also target according to languages(English, German, etc), and region (United States, UK, Missouri, Springfield, IL... etc).