DennisPestro

Affiliate marketing is a web-based marketing practice in which a business rewards one or more affiliates for each visitor or customer brought about by the affiliate's marketing efforts.

Affiliate marketing is also the name of the industry where a number of different types of companies and individuals are performing this form of internet marketing, including affiliate networks, affiliate management companies and in-house affiliate managers, specialized 3rd party vendors, and various types of affiliates/publishers who promote the products and services of their partners.

http://en.wikipedia.org/wiki/Affiliate_program

Charly7

I think that if you join affiliate program, you wil get a task, for example, to promote a hosting company and to find customers, registering their domain names. After you sell a domain name, you get % from the sale.
Please, correct me if I `m mistaken.