Human civilization evolved with the historical change the medium.People's consumption concept and consumption patterns are changing with the evolution of pre modern, modern and post-modern media, which condenses into different consumption culture.Media are playing a more and more important role from pre-modern necessary consumption for survival to modern mass consumption with group psychology, to post-modern symbolic consumption of characterization of meaning.There are pessimism and optimism attitudes since ancient times about how to understand the positive and negative effects of media evolution on human social life.%人类的文明演进是在传播媒介的历史变迁中完成的.伴随着前 现代、现代、后现代媒介的变迁,人们的消费观念与消费模式也在发生着变化,凝结成了不同的消 费文化.从前现代满足生存必需之消费,到从众心理的现代大众消费,再到表征意义的后现代符号 消费,媒介扮演着越来越重要的角色.而如何看待媒介的变迁对人类社会生活的正负效应,存在着 悲观主义与乐观主义两种态度.
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