The first module of this course introduces the fundamentals of e-commerce and email marketing. It covers the concept of e-commerce and its different models. It also focuses on the significance of email marketing in e-commerce and introduces Klaviyo, a popular email marketing platform. The module explores working with clients and emphasizes the concepts of flows and campaigns. It explains how to create and optimize automated email sequences (flows) and plan and execute effective email campaigns. This module provides a comprehensive understanding of e-commerce basics, email marketing principles, Klaviyo usage, client management, and the concepts of flows and campaigns.