INTRODUCTION. In recent years, companies selling online have multiplied following the growing popularity of the Internet and remote purchasing. However, these trading systems are more complex than traditional sales. In fact, these sales are virtually made, are made very quickly and are very numerous. Furthermore, the online sales system facilitates international trade. Which leads to this question?Why do e-businesses sell online, or why should they sell online?Types of business sectors where e-business opportunities existE-commerce technologiesOpportunities for e-business abroad1. Why do electronics businesses sell online, or why should they sell online? Online sales have become a crucial axis of development. Today more than ever it is essential to have a website. Whether it's simply allowing people to communicate with you or expanding your customer base, a web page is the best tool to achieve your goals. Unlike many other media, the Web is accessible from anywhere in the world, at any time, and by anyone in the world. Here is a list of 10 great reasons why businesses need to have a canvas storefront.1.1. Your website is an investment and not an expense. In the short and medium term you will see the advantages of a website. Your printing expenses will be reduced, your customer service will improve, your sales will increase, your company will gain further notoriety, etc. The Web is a world without borders accessible at any time. Your website will never be closed unlike your store. Your web page can sell and answer questions on its own.1.2. A window available at any time and accessible from anywhereThe fantastic thing about the Web is that it is accessible at any time and... in the middle of paper... and without any risk of fraud. Today two protocols are used: SSL, which guarantees the confidentiality of data transmitted over the Web and SET, which is a payment protocol in the true sense of the term.3.3. 'Intelligent' agents and their role in e-commerce An intelligent agent is an object that uses artificial intelligence techniques: it adapts its behavior to its environment and, remembering its experiences, behaves like a trainable subsystem: enriches the system that uses it by adding, over time, automatic functions of processing, control, storage or transfer of information. It must have the following characteristics: - Autonomy (independent of the user) - Ability to communicate and cooperate with other agents - ability to reason, to respond to its environment (mobility). There are two categories of agents for electronic commerce: buyers and sellers agents.