人类有几千年的历史，计算机从产生到现在只不过50多年，而网络的迅速发展也不过10年的时间。但是，计算机和网络对社会的影响已经迅速扩大，甚至在改变人们的生活。特别是90年代以来，多媒体和网络技术的飞速发展正在以惊人的速度改变着人们的工作方式、交往方式和生活方式。正像著名的未来学家尼葛洛庞帝（1997）所说的：“数字不再只和计算有关，它决定我们的生存。”科学技术是第一生产力，是最先进的生产力。现在,已经没有人怀疑信息技术的发展将会引起人类社会全面和深刻的变革，使人类社会由工业社会迈向信息社会。目前，在社会各个方面都呈现出了与工业社会显著不同的特点。网上书店，网上医院，网上学校，网上购物，网上银行，政府上网等新事物如雨后春笋般涌现出来，对人们的传统生活方式、工作方式产生极大的冲击。使人们感受到技术发展的脉搏和信息时代前进的步伐。-There are thousands of years of human history, from creation to the computer but now 50 years, the rapid development of the network but also 10 years. However, the computer and network impact on society has been rapidly expanding, even in changing people s lives. Especially since the 90 s, multimedia and the rapid development of network technology is changing at an alarming rate the way people work, communication and lifestyle. As the famous futurist Nicholas Negroponte (1997) said: "Digital is no longer the only and calculated, which determines our survival." Science and technology are primary productive forces, is the most advanced productive forces. Now, no one doubts the development of information technology, human society will lead to a comprehensive and profound changes, the human society from industrial society into the information society. At present, the social aspects of industrial society emerged with significantly different characteristics. Online bookstore, online hospital