What are the characteristics of modern information management activities?

(1) The way of information dissemination and exchange has changed. Newspapers and magazines appeared earlier and existed in the period of modern information management. After World War II, three media forms of radio and television network appeared, which became the main means and ways of mass information exchange, stimulated the rapid increase of information, changed the channels and ways for people to obtain information, and increased the amount of social information. At present, the way of electronic information exchange has greatly changed the traditional means and channels of information exchange since the birth of mankind.

(2) With the change of information technology, the types of information resources are constantly diversified. In addition to literature information resources, new media such as miniaturization, electronization and networking have appeared one after another, such as streaming media on the network, which has aroused great interest and concern. Regardless of the complexity and versatility of information management technology, it also lays the foundation for the in-depth management of information. From the operation of the carrier unit to the information interior of the knowledge unit, the requirement of information management is getting higher and higher to tap the intelligent resources related to the logic inside the information.

(3) Innovation of information management means, making full use of information technology, on the one hand, improving the information management methods formed in the last two periods, on the other hand, combining new information forms, information carriers and information types, developing new management technical means, such as database, data warehouse, online analysis, business intelligence, etc.

⑷ The library is no longer the only information management organization with the function of ordering social information flow in this period. Compared with libraries, there are various information management organizations with different functions and purposes, such as consulting companies, investigation companies and enterprise management companies, which undertake the management of social information flow in different fields, departments and levels and complete the management of social information flow.