Casalemedia is taking the online advertising industry by storm by offering unprecidented flexibility for both publishers and advertisers in pop under serving. They pay premium rates (70% of their price) to publishers, and allow many great features to publishers including frequency cap selection, and a default system which allows you to serve pop unders when you have no other ads to show with other vendors. NEW Fastclick is another great program, and should be the among the first networks you apply for. If accepted, you'll enjoy the support of a great network. They offer 468x60, 728x90 sized CPM and CPC banners, Skyscraper banners, Invue ads (a new format of pop that slides onto the screen), Interstitial (ads that come in between pages), and more. Fastclick pays on time on the...
