Ad Impression - Definition
In the Google AdSense program, an Ad Impression is is reported whenever an individual ad is being displayed on your web site. Different ad formats will display a different amount of ads. For instance, each time a vertical banner is displayed on your site, you will see two ad impressions noted in your AdSense reports. In addition, do keep in mind that the number of ads in any ad unit may vary depending on whether the ad unit is displaying standard text ads, displaying expanded text ads, or displaying image based ads.

Top Reasons To Wipe Away Your Internet History
- Information about all the sites you have visited is stored on your computer!
- Every image you have ever viewed, sent or received over the Internet is stored on your hard drive!
- There is a record of every program that you have ever downloaded or used on your hard drive!
- The windows delete button and the empty recycle bin option does NOT completely delete your files!
- Cleaning your History Files improves the speed of your computer and frees valuable disk space!
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