The network consists of several nodes and links connecting these nodes, representing many objects and their relationships.
Before 1999, people generally thought that the network structure was random. However, people didn't realize the complexity of the network until Barabasi and Watts discovered the scale-free and small-world characteristics of the network in 1999 and published their findings in the world-famous magazines Science and Nature respectively.
With the help of software tools such as text reading, picture viewing, audio and video playing, downloading and transmission, and game chatting, the network will bring people extremely rich life and beautiful enjoyment from the aspects of text, pictures, sound and video.
The advantages and disadvantages of this network are as follows:
Advantages of the network:
1, which provides convenient information acquisition and communication channels, and can quickly obtain all kinds of information, news and news.
2. It promotes globalization and social interaction, and enables people to establish contacts and share cultures between different regions and countries.
3. It supports the development of online learning, telecommuting and e-commerce, and improves efficiency and convenience.
It provides a wide market and opportunities for individuals and enterprises, and creates new employment and business models.
Disadvantages of the network:
1. Cyber violence and the spread of false information can easily lead to misunderstandings, conflicts and injuries.
2. Privacy and security issues, including threats such as personal information theft and cyber attacks.
3, the impact on eyes and health, such as long-term use of computers or mobile phones may lead to decreased vision and cervical spondylosis.
4. It brings digital divide and information asymmetry, and some regions and people can't get the benefits of the Internet.