From time to time, we may run general special programs or promotions that may provide all or some Associates the opportunity to earn additional or alternative fees (“Special Program Fees”). For the avoidance of doubt (and notwithstanding any time period described in this section), Amazon reserves the right to discontinue or modify all or part of any special program or promotion at any time. Unless stated otherwise, all such special programs or promotions (even those which do not involve purchases of Products) are subject to disqualifying exclusions substantially similar to those identified in Section 2 of this Fee Statement, and any restriction under the Program Documents applicable to a Product purchase will also apply on a substantially similar basis as restrictions for special programs or promotions.
Amazon didn't immediately respond to a request for comment. The email they sent to affiliates said, "We have received feedback from associates that the advertising fee structure could be made clearer, especially with respect to understanding which products are in fixed-fee categories and which products are in tiered-fee categories. These changes simplify the fee structure, clearly defining the advertising fees you can earn by referring traffic to Amazon."
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.