Smart cards work like prepayment cards except that they Smart Cards have an embedded microchip which makes them more secure. This microchip also allows the card to have other functions. E-commerce(Electronic commerce) This refers to business transactions through the Internet. It allows suppliers, distributors, banks and customers to make transactions on the Internet electronically. An example of e-commerce is the e-shop. It has a homepage showing the products of the shop and instructions on how to pay(usually by entering your credit card number). Customers can view the goods on their screens and place orders. The company mails the goods(e.g. clothes, DVDs) once payment is confirmed. Goods such as software and music can be delivered electronically via the Internet.