Just come across a great post about making more money via adsense at www
In order for AdSense to work, your site visitors, at least a percentage of them, must be interested in buying things. Learning the basics of earning on the web OUTSIDE of AdSense is important in order to earn significantly INSIDE AdSense. There is NO get rich quick recipe. You can't buy this for twenty dollar or find it on a WAHM site. Study.
Optimizing for obscure phrases
Improving content site revenue
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