1. Introduction

The Internet is one of the most important changes that has happened to the way we live and work in the last fifteen years.

It began life in a small American laboratory; its inventors could never have forseen how it would develop over time.

The Internet now spans the world, connecting billions of people in their everyday lives.

Over the next few pages we are going to look at what makes up the 'Internet'. We will also be examining Intranets and Extranets.

Find out more about these topics by using the menu on the left-hand side to navigate through the pages.