This document provides an overview of e-marketing, including its past, present, and future. In the past (Web 1.0), the internet was used to create and distribute content to consumers. Today (Web 2.0), the power has shifted to consumers, who produce and share content via social media. The future (Web 3.0) may include artificial intelligence and seamless social networking. The document also discusses e-marketing strategies, models, metrics and provides examples to illustrate concepts like balanced scorecards. It outlines the e-marketing planning process and types of plans like napkin plans and venture capital plans.