Ever wondered how google makes so much money and became one of the top richest companies in the world?  There are many people who wonder on how google makes great money while they are providing all the services like gmail, orkut, youtube etc for free to us. Well, I would just want you to compare this with your cable connection (non paid channels). How do they make money if you are watching all entertainment programs without paying anything to them? Yes, you are 100% correct - Advertisements. Let us see how google does the advertisements and how it earns from them. 1. Google Adsense : This is a google advertisement program. It takes ads from different sources and displays them on their and other