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Social network

A  social network  is a  social structure  made up of a set of  social  actors (such as individuals or organizations), sets of  dya...

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    The largest and most beautiful volcano in the world              Mt. Fuji is the highest mountain in Japan, surrounded by mountain...
  • Social network
    A  social network  is a  social structure  made up of a set of  social  actors (such as individuals or organizations), sets of  dya...