The dissemination of information through the Internet has gradually been recognized by the society. At present, there are more than 24000 news launched on key news websites every day. Since 2001, the number of visitors to the central key news websites has increased at an average rate of 12% per month. Some local key news Website construction The average number of visits in three years increased by 9 times. When major events and emergencies occur, the Internet has often become the preferred medium for audiences. The portal website devoted itself to reporting major events. For example, for the report of the 2004 Summer Olympics in Athens, the daily click rate of Sina, Sougu and other Olympic channels exceeded 100 million, equivalent to 6 times the click rate of sports channels. On the first day of the opening of the Athens Olympic Games, the number of visits to Sina Olympic Channel rose to an unprecedented 300 million (Pagev ic%). On August 28, after Liu Xiang of China won the gold medal in the men's 110m hurdles final with a world record time of 12.91 seconds, from 2 a.m. to 12 noon on August 28, the number of netizens' messages on Sina Olympic Channel reached more than 32000, with an average of one netizen comment every second, and the number of netizens' messages reached more than 490000 from 13 to 28.
With the development of broadband network, the progress of "content visualization" is also very rapid. In particular, major telecom operators began to seize the audio and video content market while seizing the channel field. The most representative example in 2004 is the "Jiuzhou Online" company, which was established in February by China Netcom Group in conjunction with several venture capital companies, with a registered capital of 500 million yuan. At the same time, it launched the "online every day" broadband portal. On November 17, 2004, the online live broadcast column day "Tell Women" hosted by the famous TV host Yang Lan was launched on "Everyday Online". China Telecom's "Internet Star Sky" and the Great Wall Broadband Dream Network "and other websites also continued to compete fiercely on the audio and video board services.
The information on the network is not only text, but also in the form of images, animations, sounds, etc., which not only creates a good network environment, but also can attract the attention of users and stimulate their interest. The Internet is a double-edged sword. It has brought about the diversification of information dissemination, and will also become a convenient weapon for hackers and terrorists. With the emergence of operating systems, the wanton concern about network viruses, and network hackers waiting for opportunities in unknown corners, the security situation of network communication information is becoming increasingly severe.
As the media of public opinion and information dissemination, it has always been regarded as the mouthpiece of the state and government. The content it publishes and broadcasts has a tremendous impact on a country's politics, economy, military and diplomacy. For example, in wartime or in a hostile state, the news media is still a tool for rallying people and a weapon for attacking each other. During the Cold War, the East and the West launched a fierce propaganda war using radio The nearly 40 years' propaganda offensive of "Free Europe Radio" and "One Free Radio", which were set up by "American Guest" in the United States, Germany and Nigeria, played a great role in the disintegration of the Soviet Union and the evolution of Eastern Europe. It is worth noting that newspapers and television cannot be distributed and broadcast in the attacked party, and radio broadcasting will not be strongly interfered. The network communication, which is not limited by time and space, has fast propagation speed and diversified forms of range propagation, and is the most convenient tool for anyone to declare war at any time and place.
