Check out this post for answers - http://www.problogger.net/archives/2009/07/07/what-is-affiliate-marketing/
Affiliate marketing is a very best way of making money online by promoting the product of another company.Affiliate marketing has been contributor to the rise of many companies online including Amazon.com.It also give you the chance to stand behind product you know,be offering links and banner to them on your personal website.
Affiliate marketing is a marketing practice in which a business rewards one or more affiliates for each visitor or customer brought about by the affiliate's own marketing efforts.
as others have pointed out, under affiliate marketing, you can promote the products or services of a company and for each sales (or goal achieved) by a customer referred by you, you stand to get a certain percentage of commission. As an affiliate you have a unique id using which the number of people referred and subsequent action by them can be tracked.
Affiliate marketing is that it is a way of making money online whereby you as a publisher are rewarded for helping a business by promoting their product, service or site. Affiliate marketing isn’t the only way to make money from blogs and it won’t suit every blog/blogger but there are a few reasons why it can be profitable in our medium.
affiliate marketing is a way for you (the affiliate) to earn a commission for recommending products or services to your friends or readers. To simplify it, here’s the 4 step process for how it works: 1.You find a product you want to promote 2.You sign up for their affiliate program 3.You get a special link that allows the merchant to track the people who clicked your link 4.If they buy the product, you get a commission.
Affiliate marketing is a great way to promote other peoples products and every time someone makes a purchase you earn yourself a commission. The commission is base on the product owner, meaning they can set it to what every they like, for example 50%, 75% etc. I hope this has help.
Affiliate marketing is internet advertising that allows any online business to affiliate themselves with web site owners (known as affiliates or publishers) using affiliate programs. Affiliates make money by generating sales, leads and traffic for the Merchants business.