Some advertisers offer multi-tier programs that distribute commission into a hierarchical referral network of sign-ups and sub-partners. In practical terms, publisher "A" signs up to the program with an advertiser and gets rewarded for the agreed activity conducted by a referred visitor. If publisher "A" attracts publishers "B" and "C" to sign up for the same program using his sign-up code, all future activities performed by publishers "B" and "C" will result in additional commission (at a lower rate) for publisher "A".

An e-commerce merchant wanting to reach a wider base of Internet users and shoppers may hire an affiliate. An affiliate could be the owner of multiple websites or email marketing lists; the more websites or email lists that an affiliate has, the wider his network. The hired affiliate then communicates and promotes the products offered on the e-commerce platform to his network. The affiliate does this by implementing banner ads, text ads, or links on its multiple owned websites or via email to its clientele. Firms use advertisements in the form of articles, videos, and images to draw an audience’s attention to a service or product.
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