Bulletin board service BBS n n An online

Bulletin board service (BBS) n n An on-line service provided through the network. When users join a BBS, they take part in group discussions around the world by reading messages left by other users They contribute their own points It also acts as a source of professional contacts.

Information services n n Many companies provide information services to which users can subscribe. By accessing an information service, a user can tap into a variety of on-line services, such as reservation systems, reviews, commodity prices, stock prices, articles and reports.

Telecomputing and Teleconferencing n Enable working executives to work at home and thus reduce travel time and improve productivity.

Workgroup computing n Made possible with groupware features that support electronic mail, voice mail, public calendars, meeting schedules, electronic voting and document sharing.

Electronic funds transfer (EFT) n Uses a computer network to handle financial transactions between banks, buyers, and sellers.

Electronic data interchange (EDI) n allows the exchange of business documents electronically between two or more organisations.

Electronic commerce n refers to the conduct of trading using computer networks. It may include electronic mail, electronic funds transfer, and electronic data interchange.