Did you know that Forbes magazine has reported that pay per click ad sales are expected to increase to at least an astounding $8 billion by the year 2008? Pay per click though still unfamiliar to many, will be around for a very long time. One of the search engine giants to capture a lion's share of this market is Google through its Google Adwords service. A few ebooks like Google Cash and The Definitive Guide To Google AdWords provide basic and advance knowledge on releasing the incredible powe.