article by Mike
Google’s filtering mechanism for displaying a number of factors. Let’s take a look at some of these factors:
1 Relevance to the content: This is the single most important Ad filtering criterion that is used by the Google AdSense program. In fact, it is this filtering concept that Google AdSense program provides an important advantage over the other advertising programs. The Google AdSense program determines the main topics / themes of the website content and serves ads that are relevant for the same. Since Google AdSense is a global program, the relevance of the ads in terms of geography and language of the content is checked on the website. Note that AdSense really in a variety of languages not only English be used.
Go join some fishing organizations.