Affiliate marketing is a method of monetizing a website or blog whereby the webmaster(the affiliate) provides links to a product or service(the merchant) and in return receives a commission if a referred visitor makes a purchase, fills out a form, or joins as a member. The affiliate is most often paid on a "per sale", "per lead, or "per sign-up" basis.
This website will help you learn what affiliate marketing is all about, how to get started as an affiliater marketer, and how to start an affiliate program if you are a merchant. This article gives a general overview of the affiliate marketing industry