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1. Access to remote information: Includes the World Wide Web for detailed information on many topics, accessing on-line libraries, getting daily updates on stock and stock, reading newspapers, magazines and magazines. All of these include the interaction between a person and a remote database.
2. Person-to-person communication: This includes e-mails, chatting, instant messaging and social networking which are used by millions of people on a daily basis. Audio, video, text and pictures can be shared in real-time. Newsgroups are common, where any topic can be discussed between a select group of people. Internet telephony enables users to talk over the Internet.
3. Education: Computer networks like the Internet and the World Wide Web are being used for rapid education. This area is called tele-learning or e-learning. Users can register for on-line courses operated by educational institutions and colleagues. M-learning is also an emerging area using mobile devices.
4. Entertainment: This is a huge and growing industry. These applications include video on demand where it is possible to select any film or television program and it is displayed on screen immediately, interactive films and television programs, multi-person and real-time sports games and three-dimensional virtual reality applications.
5. Electronic Commerce: In recent times, more and more home users are making purchases at home by accessing on-line catalogs. People use financial institutions, pay bills, manage investments, manage bank accounts electronically.