A&E was previously called something else.
E-commerce businesses may also employ some or all of the following:Online shopping for retail sales direct to consumers via web sites and mobile apps, and conversational commerce via live chat, chatbots, and voice assistants;Providing or participating in online marketplaces, which process third-party business-to-consumer (B2C) or consumer-to-consumer (C2C) sales;Business-to-business (B2B) buying and selling;Gathering and using demographic data through web contacts and social media;B2B electronic data interchange;Marketing to prospective and established customers by e-mail or fax (for example, with newsletters);Engaging in pretail for launching new products and services;Online financial exchanges for currency exchanges or trading purposes
 In the era of globalization, cross-border e-commerce for inter-firm companies means the activities, interactions, or social relations of two or more e-commerce enterprises

