Have you ever wondered how exactly would someone find out which parts of a city or even a state is more religious than another? As an Internet enthusiast I always figure there is some help rendered for such research in any walks of life from websites. The one particular topic I chose to write for this article is how to find out which locality is good for targeting your website advertisements. Here I am taking one Christian Book Store as an example to drive the point. The popularity of books in a particular topic is based on two factors, the segments popularity and the quality of the book. This is based on my own lexicon. The First is how popular Christianity is as a topic to read at this particular time. The second is more of a wider scope as it has the keyword