什么叫两极传播论，两极传播论在传播与发展的历史上有什么样的作用与意义？

Communication is the start of any progress of the society. In the development history of the old oriental civilization, communication has played an important role. However, because of different historical conditions and cultural circumstances, the manifestation of communication in different society is quite different. Since remotest times, Chinese culture stresses on the connotation of communication, a concept of value that advocates modesty and implication, what is called “peaches and plums do not have to talk, yet the world beats a path to them” and “the gentlemen are speedy as a worker and cautious as a speaker”. Therefore, in ancient times, the mode of communication is quite implicit. Under these circumstances, people would like to set an example by personally taking part and never make reckless words. Many thoughts and ideas are disseminated under a self-evident communication rules. However, nowadays the pace of life is increasing with large amount of information. People’s valu