Lower transaction costs the web can significantly lower both order-taking costs up front and customer service costs after the sale by automating processes. Larger purchases per transaction - Amazon offers a feature that no normal store offers. That is, you can see the related books that people are actually buying. Because of features like these it is common for people to buy more books that they might buy at a normal bookstore. For example, if Dell tracks each computer through the manufacturing and shipping process, customers can see exactly where their order is at any time.
People can shop in different ways.
Traditional mail order companies introduced the concept of shopping from home in your pajamas, and e-commerce offers this same luxury. The ability to search large catalogs easily Larger catalogs - A company can build a catalog on the web that would never fit in an ordinary mailbox. For example, Amazon sells 3,000,000 books. With automated tools it is possible to interact with a customer in richer ways at virtually no cost. For example, the customer might get an email when the order is confirmed, when the order is shipped and after the order arrives.