For approximately the last one hundred years, people lived without any advanced conveniences. I cannot imagine how miserable and unhappy people's lives were. Since the first computer was invented fifty years ago, our quality of life and happiness have increased. In fact, the appearance of Internet helps us find information much easier. Furthermore, the people that have a mental and physical disabilities would have more painful experiences without advanced medical techniques. Finally, the cell phone helps us to have better communication. Without computers, medical technology, and cell…
