This essay explores the significant transformations in e-commerce trading patterns and market models driven by e-business. It begins by defining e-business and contrasting it with traditional business approaches, setting the stage for a detailed analysis of how e-commerce has reshaped industry structure, dynamics, and value chains for both firms and consumers. The essay delves into the critical evaluation of changing consumer and business trading patterns, covering aspects like industry structure, structural analysis, and value chains. Furthermore, it provides a critical analysis of the Technology Acceptance Model (TAM) and its relevance to social shopping patterns among consumers, highlighting the psychological and behavioral factors influencing technology adoption and online purchasing decisions. The essay integrates insights from various scholarly sources to offer a comprehensive understanding of the current state and future trajectory of e-commerce.