As an ongoing way to create income opportunities, affiliate marketing has captured the imagination and attention of a number of entrepreneurs over the last decade. Here is some background on the development of affiliate marketing and how it continues to evolve today. At its core, affiliate marketing is all about getting attention for a good or service by utilizing online resources that are managed by partners or affiliates. The most simplistic of all these methods is allowing advertising to be displayed on a web site that is the domain of the affiliate.