WHAT IS AFFILIATE MARKETING ..?
Affiliate Marketing is a type of performance-based marketing where a company rewards one or more affiliates for each visitor or customer driven by affiliate marketing efforts. The industry has four core players: the trader (also known as “reseller” or “brand”), the network (which contains affiliate offers to choose and deals with payments), the publisher (also known as “The affiliate”) and the customer. The market grew in complexity, resulting in a secondary level of players, including affiliate agencies, super affiliates, and third-party specialized vendors.
Affiliate marketing overlaps with other Internet marketing methods at some point, as affiliates often use regular advertising methods. These methods include organic search engine optimization (SEO), paid search engine marketing (PPC), e-mail marketing, content marketing, and somehow advertising. On the other hand, affiliates sometimes use less orthodox techniques, such as publishing reviews of products or services offered by a partner.
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the reseller. However, both are distinct forms of marketing and the main difference between them is that affiliate marketing is purely based on financial motivations to drive sales while referral marketing is based on trust and personal relationships to drive sales.
Affiliate marketing is often overlooked by advertisers.  While search engines, e-mails, and website spread capture much of the attention of online retailers, affiliate marketing brings a much lower profile. However, affiliates continue to play a significant role in e-retailers marketing strategies.