媒介是人类的媒介,一部人类发展史就包含有一部媒介发展史。媒介发展先后经历了人体媒介、体外移动媒介、体外固定媒介、电子媒介、数字与网络媒介,以及现在的媒介融合阶段。人对自由的追求、对时空自由的信息传播活动的追求,是推动媒介发展的内在动力。因此,媒介发展遵循时空自由的逻辑,媒介每向前发展一步,人类信息传播活动就享有更大时空自由度。并且,未来媒介一定是时空自由的媒介。 Media is a human medium. A history of human development contains a history of media development. Media development has experienced human media, in vitro mobile media, in vitro fixed media, electronic media, digital and online media, and now the media integration phase. The pursuit of freedom by human beings and the pursuit of freedom of information and communication activities in time and space are the internal motivations for promoting media development. Therefore, the development of media follows the logic of freedom of space and time, and each step forward in the media, human information dissemination activities enjoy more freedom in time and space. And the medium of the future must be the medium of freedom in space and time.