This report examines the impact of digital business and new technologies on organizational structures, focusing on e-commerce and its benefits. It introduces e-commerce, explains its importance, and discusses its development over the years, highlighting technological platforms used, particularly by Amazon. The report also explores the relationship between e-commerce and management theories such as Decision Making, Quantitative, System, and Contingency theories. Furthermore, it details various e-commerce models, including Business-to-Consumer (B2C), Consumer-to-Business (C2B), Business-to-Business (B2B), Consumer-to-Consumer (C2C), Business-to-Administration (B2A), and Consumer-to-Administration (C2A), providing a comprehensive overview of how digital technologies shape modern business practices.