自人类诞生以来,人类社会经历了四次意义重大的信息传播革命。第一次的语言传播使人类信息传播的质量、速度与效率得以提高;第二次的文字传播使人类的信息传播突破了时空的限制;得以广泛流传和长期保存的报刊、杂志、书籍等大众媒体迅速得以普及,无疑归功于第三次印刷的传播与发展;20世纪中期开始人类进入以模拟式电子传播的第四次大众传播时代,使得人类信息传播的速度和能力空前增强。上世纪 Since the birth of mankind, human society has undergone four significant revolutions in information dissemination. The first language dissemination made the quality, speed and efficiency of human information dissemination improved. The second language dissemination broke the limits of time and space; the mass circulation, long-term preservation of newspapers, magazines and books The rapid popularization of the media is undoubtedly due to the spread and development of the third print. In the mid-20th century, mankind entered the fourth mass media era of analogue electronic communication, which made the speed and capability of human information transmission unprecedentedly enhanced. last century