Google is huge & large company, it is one of the best search engine company in the world. The revenue of Google in 2010 is more than the GDP of the 28 poorest countries combined. It means it is HUGE.. Most of the Google income are from advertisement. You will see Google advertisement anywhere, including this post in this blog. Everyone is using Google, 50% of US citizens are using Google Android OS smartphone. Thanks to Google because i made my online money with him too ^^.