Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Digital signage is a brand-new media concept. Digital signage refers to publishing business, finance and entertainment in large shopping malls, supermarkets, hotel lobbies, restaurants, cinemas and other public places where people gather through a large screen terminal display device. Information multimedia professional audiovisual system. It is designed to broadcast advertising information to a specific group of people in a specific physical place and a specific time period, allowing it to obtain the effect of advertising. In foreign countries, some people juxtapose it with paper media, radio, television and the Internet, and call it the "fifth media". With the continuous development of modern technology, the application of digital display technology will be everywhere. With the integration of network and multimedia technology, digital signage publishes and processes information in the form of media, and interacts with customer feedback information in a timely manner. It has been widely used in finance, telecommunications, hospitals, stores, supermarkets, hotels, public places and other fields. The system adopts advanced design concept and open interface, which can integrate various applications. The digital signage system can count and record the playing time, playing times and playing range of multimedia content, and can also realize more powerful interactive functions while playing, which brings opportunities for creating new media.