Exploring the Internet.

The Internet is a vast network connecting smaller networks of computers in the United States and overseas. The chief existing structure that will support the proposed information superhighway, the Internet has grown exponentially in recent years. It is now a major tool for sharing computer resources, research issues, and communication with groups or individuals. This review will describe the history of the Internet, the various ways of connecting to it, and some of the tools that are particularly useful for medical researchers and clinicians.