Is it true that people are earning money by using Googles AdSense?

Googles AdSense - AdSense is a service provided by Google.It can be used for putting Ads.I heard that people are making money by selling Books of Tips on how to earn money using Google AdSense.
@sahyd2don (2948)
India
January 16, 2007 11:39am CST
How much do you think can we earn using googles AdSense?
No responses