1.1. CPM NETWORKS

Each of these companies has contracted with hundreds or thousands of web sites to provide them advertising revenue. For example, I recently went to CNN.com and clicked on an advertisement there—my browser was redirected through the doubleclick.net ad server to the advertiser's landing page.

For each of these companies, you can sign up for an advertising account and submit your advertising creative (text ads, banner ads, and so on), and they manage the placement and rotation of those advertisements on their network sites. You pay for the number of times your text/banner ad is displayed.

http://bannerCAST.com/

http://www.adbrite.com/

http://adsational.com/

http://www.bluelithium.com/

http://www.mammamediasolutions.com/publishers/graphic/index.html

http://www.tribalfusion.com/

http://flatfeespectrum.com/

http://www.burstmedia.com/release/advertisers/advertiser.asp

http://www.doubleclick.net/

http://www.theadstop.com/

http://www.hyperbidder.com/

http://www.pradnetwork.com/

http://www.onresponse.com/

http://www.valueclickmedia.com/

http://www.adjungle.com/

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