demo wiki:
o may refer to one of the following.As a shorthand for demonstration:A music demo is a recording of a song created for reference rather than for release.A software demo is a demonstration version of proprietary software.A computer programming demo is a program created to demonstrate the abilities of coders, computer graphics artists and musicians that are involved in the demoscene.A computer game demo can refer to either a gameplay recording or a demonstration version of a game.A political demo is short form for a protest march or similar action.
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