STAGE 3 PRE-INTERMEDIATE .1000 Headwordsshould, may-present perfect continuous-used to -past perfect-causative- relative clauses-indirect statementsIt is hard to imagine the modern world without information technology. At home, at work, and at play, mobile phones, e-mails, and computers have become part of daily life.The story of information technology is a story of machines - from the ancient abacus to the small powerful computer chips of today. But it is also a story of people. Meet a woman who wrote computer programas two hundreds years ago, a teenage millionaire, a man who began with a paperclip and ended with a house - and the criminals who want your name and your money.Come and discover the world of information technology.