The present invention is a virtual app (4000) including a virtual map (2000) including a virtual store (2170) and a virtual street corresponding to the actual store and the distance of the actual traditional market of the traditional market (1000); A server 3000 that operates the virtual app 4000; And a terminal (10, 20, 100, 200) accessing the virtual app (4000) through the server (3000).
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