This report provides a comprehensive overview of digital enterprise and e-commerce, addressing key aspects such as implementation plans, the drivers of digital enterprise, and the challenges encountered in online retail. It delves into the system development life cycle (SDLC), outlining the stages of system analysis, design, building, testing, and maintenance. The report critically evaluates the role of innovative business models and technologies, particularly the use of mobile web platforms, detailing factors like user interface, functionality, compatibility, internet accessibility, and security. It also explores e-commerce security strategies, including the use of HTTPS, platform selection, backup procedures, authentication methods, and administrative controls. Furthermore, the report examines the challenges faced in online retail, such as traffic delays, cultural considerations, training needs, and security concerns, offering recommendations for improvement. The report concludes with a discussion on the evolution of innovation in digital systems and the factors influencing the adoption of smartphones in business and e-commerce, along with a letter of transmittal and an executive summary.