To those on the outside, affiliate marketing can seem like a black box. It’s inner workings are mysterious to most marketers and in many companies it’s not treated with the same seriousness as other channels. Some marketers, only familiar with the bad reputation acquired by some industry players in the 2000s, deride it as a source of spam and little more.
Affiliate marketing is also called "performance marketing", in reference to how sales employees are typically being compensated. Such employees are typically paid a commission for each sale they close, and sometimes are paid performance incentives for exceeding objectives. Affiliates are not employed by the advertiser whose products or services they promote, but the compensation models applied to affiliate marketing are very similar to the ones used for people in the advertisers' internal sales department.