Final answer:
E-commerce among businesses is known as B2B (Business-to-Business), facilitated by technological advancements and globalization, leading to a more interconnected global marketplace.
Step-by-step explanation:
E-commerce that involves businesses buying and selling goods and services to other businesses is called B2B (Business-to-Business). This reflects a significant shift in the market dynamics due to technological advancements and globalization, where even markets for business supplies are affected. These changes have led to increased competition and innovations like business-to-business websites, which facilitate global trade between companies.