This document discusses e-business and related applications. It begins by defining e-business and the types of activities it involves, such as buying and selling goods and services online. It then covers advantages like reduced costs and time savings, as well as disadvantages like security issues. Different e-business models are described, including business-to-business, business-to-consumer, and others. Strategies for e-business growth like affiliate marketing and continuous improvement are outlined. Emerging trends in e-business like mobile technologies, social media, and customization options are also summarized.