A social network is a social structure that facilitate a communication among each individual or organization where connected by one or more a specific interdependence, same interest, same ideas, or to share information and doing friendship.
A social network is a social structure, community, or society made of nodes which are generally accounts, individuals or organizations. It indicates the ways in which they are connected through various social familiarities, affiliations and / or relationships ranging from casual acquaintance to close familial bonds. (Hendrik Speck, 2007)