AdSense - Google AdSense
AdSense (Google AdSense) is an advertising placement service by Google. The program is designed for website publishers who want to display targeted text, video or image advertisements on website pages and earn money when site visitors view or click the ads.
The advertisements are controlled and managed by Google and Web publishers simply need to create a free AdSense account and copy and paste provided code to display the ads. Revenue using AdSense is generated on a per-click or per-impression basis. It is free to become a verified website publisher in the Google AdSense program.
Google currently offers a number of different AdSense programs, depending on the type of content you will place the ads on (e.g. webpage or RSS feed). Some of the more common programs include: