At one time, people had to travel to physical stores to buy food, clothing, and electronics. Today, consumers can purchase all these things and a lot more on the Internet. Rising in popularity in the early 2000s, e-commerce has become a popular part of everyday life. People regularly order takeout food, buy movie tickets, and even purchase bigger items such as appliances and home furnishings online. But how does it all work? Part of The Digital Economy series, E-Commerce, Buying and Selling Goods and Services Online is a guide for young people interested in learning more about online businesses and how they function.