The Effects of E-Commerce on Firms Ability to Segment Market E-commerce (Electronic commerce) is a process of selling and buying of goods and services over the internet. It is usually online promotion and sales of goods and services. It is sometimes referred to us eBiz. E-commerce can be divided into three. The first one is where goods and services are sold directly to consumers, called business to consumers (B2C). The second one is where goods and services are sold to business directly, called business to business (B2B).