20. Information system means a combination of telecommunications and information technology equipment, including hardware, software and database serving the storage, processing, transmission, sharing, exchange, provision and use of information. 21. Website means an information system used for establishing one or multiple pages of information that are displayed in the form of symbols, digits, text, image and sound and other forms of information serving the provision and use of information on the Internet. 22. Social network means an information system that provides its users with such services as storage, provision, use, search, sharing and exchange of information, including the provision of the service of creating private websites, forums, online chat rooms, audio and video sharing, and other similar services. 23. Information safety means the protection of information and information systems from illegal access, use, revelation, interruption, alteration or destruction in order to ensure the integrity, security and utility of information. 24. Information security means the assurance that online information does not undermine national security, social order and safety, state secrets, and the rights and lawful interests of organizations and individuals. Article 4. Policies on the development and management of Internet and online information 1. Promoting the use of Internet in all economic and social activities, especially in education and training, health care, and scientific and technological research in order to raise productivity, create jobs and improve the quality of life. 2. Encouraging the development of contents and applications in Vietnamese to serve the Vietnamese community on the Internet. Intensifying the upload of healthy and useful information to the Internet. 3. Developing broadband Internet infrastructure to schools, hospitals, research institutes, libraries, state agencies, enterprises, public Internet access points, and households. Attaching importance to the universalization of Internet services in rural areas, deep-lying and remote areas, border areas, islands, and areas facing extreme socio-economic difficulties.