This report provides an overview of e-commerce and e-business, highlighting their importance in today's business environment. It defines e-commerce and e-business, outlining the different types such as B2B, B2C, C2C, and C2B, and discusses their significance in the global economy. The report then analyzes Amazon as a case study, detailing its contributions to the e-commerce industry, including its revenue, market share, and impact on technological advancements, such as artificial intelligence and supply chain systems. It examines Amazon's business models, customer-centric approach, and role in job creation, concluding with the opportunities and uncertainties facing e-commerce businesses. The report emphasizes Amazon's role in eliminating geographical limitations and fostering innovation in the industry, supported by academic references.