Electronic commerce, or e-commerce, refers to the buying and selling of goods and services over the Internet. It has grown significantly with widespread Internet usage. E-commerce can be business-to-business (B2B), where companies exchange goods and services electronically, or business-to-consumer (B2C), where individual consumers make online purchases from companies. While early e-commerce involved technologies like EDI and EFT in the late 1970s, modern e-commerce typically uses the World Wide Web and online shopping.