Making money online through Adsense and other ad networks

If you are using firefox,  this one is a very good tool for adsense.  With this tool,  you can preview the Google ads that may show on any web page.


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IMPORTANT NOTE:
This Firefox extension is not endorsed nor affiliated in any way with Google. The Adsense Preview Tool remains the property of Google, Inc.
Clicking the ads does not count as impressions nor will the advertisers be charged anything.
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Here's a sample screen shot



The add-on can be downloaded at  https://addons.mozilla.org/firefox/2132/