This document provides an overview of e-commerce, discussing key factors that will define its future, the features and functionalities of an e-commerce website, successful business models, and the impact of e-commerce on industry competitiveness. It also explores the implications of cloud printing and the internet of things, as well as the business model and elements of Amazon. Additionally, it covers the benefits and disadvantages of wearables, examples of the internet of things, and technologies for building an e-commerce site. The document concludes with recommendations for building an efficient e-commerce system and suggestions for an e-commerce suite software package.