First, businesses now have to be computerized or they risk failure. Every big corporation bases its operations on computing, regardless of which sector they are in. For example, Coca-Cola, the BBC and Levi’s market and sell different products and services, yet they all share one basic property – without computers their operations would collapse. Second, computing is an economic dynamo. Japan, China, India and many other countries have large IT sectors which drive their economies upwards. Furthermore, the developed world is moving from an industrial-based economy to a computer and IT-based one. It is not just in business that computers have affected us so profoundly; communication has been revolutionized totally. First, whereas before, people wrote letters, which would often take weeks to reach their destinations, or speak on the phone, which was terribly expensive,