This document provides an overview of performance and affiliate marketing. It discusses how affiliate marketing works on a cost-per-sale model and how affiliates can be used for non-eCommerce clients through cost-per-lead models. The document outlines four rules for building an effective email database: understand your audience, focus on trust, transparency and accountability, optimize creative testing, and maintain communication frequency. Several case studies are presented showing how affiliate marketing has been used to generate sales, leads and build databases for clients in various industries.