E-commerce can provide services in the whole process of online transaction and management, so it has many functions such as advertising, consultation and negotiation, online ordering, online payment, electronic account, service delivery, consultation and transaction management.

E-commerce can broadcast all kinds of business information on the Internet with the help of enterprise's Web server and customers' browsing. Customers can quickly find the information they need with the help of online search tools, while businesses can use online homepages and e-mails to advertise around the world.

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disadvantage?

1, the network itself has its limitations: in this mode, only by relying on the production of the website and the designer to master a better webpage mode can the products be displayed to consumers.

2. The search function is not perfect.

3. The security of transactions cannot be guaranteed, and the security of e-commerce is still the main factor affecting the development of e-commerce. Due to the rapid popularization of the Internet, e-commerce has aroused widespread concern and is recognized as the most potential new growth point of IT industry in the future.

However, when trading on an open network, how to ensure the security of data transmission has become one of the most important factors for the popularization of e-commerce. Some people or enterprises are unwilling to use e-commerce for fear of security problems.