Google Adwords and Google Adsense

Google AdWords

AdWords ads reach a vast audience even more than 200 million searches on Google each day and pages view on its ad network.
Google adwords is a fast and simple way to purchase highly targeted cost per click advertising, regardless of your budget. AdWords ads are displayed along with search results on Google, as well as on search and content sites in our growing ad network, including AOL, EarthLink, HowStuffWorks, & Blogger.
When you create a Google AdWords ad, you choose keywords for which your ad will appear and specify the maximum amount you’re willing to pay for each click. You only pay when someone clicks on your ad. To save you even more money, the AdWords Discounter automatically reduces the actual CPC you pay to the lowest cost needed to maintain your ad’s position on the results page.

Google AdSense

Google AdSense is a quick and pleasing way for website publishers of all sizes to display relevant, text-based, un-obtrusive Google AdWords™ ads on their website’s content pages and earn money. Because the ads are associated to what your users are looking for on your site, you’ll finally have a way to both monetize and enhance your content pages.
Google provides you with AdSense HTML ad code to place on the web pages on which you want to display AdWords ads. Then, they take care of the rest by leveraging award-winning and proprietary Google search and page-ranking technologies to deliver relevant AdWords ads to those content pages.
Google goes beyond simple keyword matching to understand the context and content of web pages. Based on a sophisticated algorithm that includes such factors as keyword analysis, word frequency, font size, and the overall link structure of the web, they know what a page is about, and can precisely match Google ads to each page.