The metauniverse is deeply integrated into people's daily behavior and life world.The user identity of the universe has un-dergone profound changes,from the receiver to the producer,participant and designer,and the user role has become multidimensional;From individual cognition to group and collective cognition,user aggregation is increasing.The spread of the space of the universe can be said to be boundless.It has broken the space-time limit from the region to the world,and removed the"dimensional"barrier from the re-ality to the virtual world.Metacosmic media expression can"get what you want",and its media presentation mode is from single to multi-ple,comprehensive and multi-level.The media expression subject is from individual narrative to collective narrative,and the media mem-ory is more extensive and real.
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