1. A tangible social network system, comprising: at least two interactive physical objects, each interactive physical object being adapted for communicatively linking with at least one other interactive physical object, each interactive physical object comprising: an interactive physical object housing; an interactive physical object controller, the controller being located within the housing and adapted for: forming a communicatively linked relationship with at least one other interactive physical object; receiving and processing commands and data received from the linked interactive physical object; and generating at least one response command in response to the received commands and data; and at least one interactive physical object response subsystem, the interactive physical object response subsystem adapted for displaying at least one visual or audio response to a response command received from the controller; and at least one tangible social network visualization application, each tangible social network visualization application being adapted for providing a visual representation of the tangible social network of a user, each tangible social network visualization application comprising: a tangible social network visualization application communications subsystem adapted for receiving information about the composition of a tangible social network of a user, the tangible social network comprising at least one set of linked interactive physical objects; a tangible social network visualization subsystem adapted for deriving a representation of the tangible social network of the user from the information received by the communications subsystem; and a graphical user interface adapted for providing the representation of the tangible social network to the user in a visual form.