There are thousands of Web sites devoted to online shopping. Some sites focus on one product or service, such as books or travel, whereas other sites offer a wide range of goods and services. You can also find Web sites for traditional retailers such as Wal-Mart and Pottery Barn, and many manufacturers enable you to purchase goods directly through their Web sites.
The Web is also a great place to sell your goods and services. Auction sites enable people from anywhere in the world to bid for your goods. There are also several Web sites that enable you to set up a virtual store.
Understanding Online Commerce