The Electronic Fund Transfer Act establishes the rights, liabilities, and responsibilities of participants in electronic fund transfer systems. The EFTA requires participants to adopt certain practices when they deal with transaction accounting and preauthorized transfers and error resolution, and sets liability limits for losses caused by unauthorized transfers.

Affiliate marketing overlaps with other Internet marketing methods to some degree, because affiliates often use regular advertising methods. Those methods include organic search engine optimization (SEO), paid search engine marketing (PPC – Pay Per Click), e-mail marketing, content marketing, and (in some sense) display advertising. On the other hand, affiliates sometimes use less orthodox techniques, such as publishing reviews of products or services offered by a partner.[citation needed]
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