The concept of affiliate marketing on the Internet was conceived of, put into practice and patented by William J. Tobin, the founder of PC Flowers & Gifts. Launched on the Prodigy Network in 1989, PC Flowers & Gifts remained on the service until 1996. By 1993, PC Flowers & Gifts generated sales in excess of $6 million per year on the Prodigy service. In 1998, PC Flowers and Gifts developed the business model of paying a commission on sales to the Prodigy Network.
According to HowStuffWorks, “Affiliate programs, also called associate programs, are arrangements in which an online merchant website pays affiliate websites a commission to send it traffic. These affiliate websites post links to the merchant site and are paid according to a particular agreement. This agreement is usually based on the number of people the affiliate sends to the merchant's site or the number of people they send who buy something or perform some other action.
(h) You will not store or cache Product Advertising Content consisting of an image, but you may store a link to Product Advertising Content consisting of an image for up to 24 hours. You may store other Product Advertising Content that does not consist of images for caching purposes for up to 24 hours, but if you do so you must immediately thereafter refresh and re-display the Product Advertising Content by making a call to PA API or retrieving a new Data Feed and refreshing the Product Advertising Content on your application immediately thereafter. Unless otherwise notified by us, you may store individual Amazon Standard Identification Numbers (ASINs) for an indefinite period until the termination of this License. Notwithstanding the foregoing, if your application includes a client application, the client application may not store or cache Product Advertising Content. Upon our request you will, within three business days of our request, furnish us with a copy of any client application that includes or uses Product Advertising Content for the purpose of verifying your compliance with this License.
Emails triggered by milestones, like anniversaries and birthdays, are fun to get -- who doesn't like to celebrate a special occasion? The beauty of anniversary emails, in particular, is that they don't require subscribers to input any extra data, and they can work for a variety of senders. Plus, the timeframe can be modified based on the business model.