The document provides an overview of e-commerce, defining it as the buying and selling of goods and services electronically via the internet, and traces its origins from early developments in the 1960s to its current prevalence. It differentiates between e-commerce and e-business, highlighting that e-commerce is a subset focused on transactions while e-business encompasses a broader range of electronic processes. The document also discusses unique features of e-commerce, comparisons with traditional commerce, and its advantages and disadvantages.