Cost per mille requires only that the publisher make the advertising available on his or her website and display it to the page visitors in order to receive a commission. Pay per click requires one additional step in the conversion process to generate revenue for the publisher: A visitor must not only be made aware of the advertisement but must also click on the advertisement to visit the advertiser's website.
(b) Obtaining Product Advertising Content. You may obtain Product Advertising Content by making calls to PA API. If we provide express prior written approval, you may also obtain Product Advertising Content through a data feed (“Data Feeds”) that we make available via file transfer protocol. To request our approval for access to Product Advertising Content through Data Feeds, contact us via this link. If you obtain Product Advertising Content through Data Feeds, your access to and use of Data Feeds is subject to this License. You acknowledge that we may change, deprecate, or republish PA API or Data Feeds, or any features of PA API or Data Feeds, at any time and from time to time, and you agree that it is your responsibility to ensure that your access to and use of PA API or Data Feeds is compatible with the then-current requirements (including this License and all Program Policies).
It also leaves you room to offer higher commissions in the form of bonuses or contests. (ie: For the month of December, we're offering a $100 bonus to all affiliates who reach $1000 in commissions.) That way you're not stuck offering a high commission all the time – but it's something you can offer as a bonus to really get your affiliate's attention and ramp up sales during certain times of the year.
In November 1994, CDNow launched its BuyWeb program. CDNow had the idea that music-oriented websites could review or list albums on their pages that their visitors might be interested in purchasing. These websites could also offer a link that would take visitors directly to CDNow to purchase the albums. The idea for remote purchasing originally arose from conversations with music label Geffen Records in the fall of 1994. The management at Geffen wanted to sell its artists' CD's directly from its website but did not want to implement this capability itself. Geffen asked CDNow if it could design a program where CDNow would handle the order fulfillment. Geffen realized that CDNow could link directly from the artist on its website to Geffen's website, bypassing the CDNow home page and going directly to an artist's music page.