E-commerce (electronic commerce) is the activity of electronically buying or selling of products on online services or over the Internet. … Online shopping for retail sales direct to consumers via Web sites and mobile apps, and conversational commerce via live chat, chatbots, and voice assistants. Mobile Web applications refer to applications for mobile devices that require only a Web browser to be installed on the device. … Simple mobile Web applications limit the use of RIA technologies and are designed to present information in a readable, action-oriented format.