I. Composition of the Internet:
Internet is a huge worldwide computer network-global computer network, which consists of various types and scales of independently operated and managed computer networks. Its English name is Internet. The computer networks that make up the Internet include small-scale local area network (LAN), city-scale local area network (MAN) and large-scale wide area network (WAN). These networks connect the networks of universities, companies, scientific research departments, military and government agencies in different countries through ordinary telephone lines, high-speed dedicated lines, satellites, microwaves and optical cables.
Second, the use of the Internet industry:
1, basic services
Including news consulting service, information search category, information aggregation and mailbox;
2. Business application category
Including enterprise information service, e-commerce, talent recruitment, online education, transaction payment and other six aspects;
Step 3 exchange entertainment
Including instant messaging, video and audio, social media and online games; 4. Internet media
Including three aspects: online advertising, online version of traditional media, self-media;
Step 5 enjoy the economy
* * * In addition to sharing idle resources in the form of P2P(peer to peer), timeshare using information technology is generally included in the category of * * * enjoying economy. However, according to this view, * * * enjoying the economy is nothing more than using Internet technology to achieve wider coverage or improve leasing efficiency in the past. This view holds that the * * * enjoyment economy is suitable for commodities with relatively high unit prices, such as automobiles, office buildings and jewelry.