Clickbank is one of the most popular affiliate marketing program that deals with digital products such as eBooks. This website has been around for many years and is among the first affiliate websites on the internet. Another great thing about this site is that it lets all people from different occupations to sign up for a free account. Once you sign up for the account, you will have an access to millions of eBooks that other members are selling. The quality of many of the items within the Clickbank affiliate program is debatable. But, the commissions are far and above many of the others on this list and much of the reason it is rated highly within this article is history and ease of use.
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the retailer. The two forms of marketing are differentiated, however, in how they drive sales, where affiliate marketing relies purely on financial motivations, while referral marketing relies more on trust and personal relationships.