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; at least one object communication frame, each object communication frame being capable of displaying at least one interactive physical object, each object communication frame comprising: an object communication frame housing, the object communication frame housing being adapted to receive installation of the interactive physical object; an object communication frame communications subsystem, the object communication frame communications subsystem being adapted for receiving and managing communications with, and communications between, the installed interactive physical object and an interactive physical object that is communicatively-linked to the installed interactive physical object; and an object communication frame controller, the object communication frame controller being located within the housing and being adapted for: receiving and processing commands and data received from the communications subsystem; and generating at least one response command or data in response to the received commands and data; 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.