This source provides a historical overview of the rapid evolution of e-commerce in China. It highlights key factors influencing this growth, including the impact of SARS and COVID-19 outbreaks driving online adoption. The text also details the intense rivalry between tech giants Alibaba and Tencent in the e-commerce and the emerging "New Retail" sector, tracing their strategic shifts and technological advancements like mobile payments and mini-programs that arose from their competition. Ultimately, the article explains how this rivalry has fueled the rapid innovation and transformation of China's retail landscape.