what is Adsense?

In simple words Adsense is Google's marketing program which allows website or blog owners to generate income from displaying relevant Google ads on their websites or blogs. In other words you earn revenue when somebody views or click on the ads displayed by Google on your site. Adsense or Google Adsense is a program that enable quick and easy display of Google ads matching your site content and in this way you are earning a portion of the advertising revenue for displaying Google sponsored links on your site or blog.