A social identity system has a collection of physical objects displayed under control of a specific enterprise, a data repository storing, as a virtual object, at least a name and a description of each physical object in the collection, each virtual object associated with a unique Social Identity of Objects (SIO) code, a broad variety of digital information, entered as digital files by registered members, each instance associated with a unique SIO code, and associated by SIO codes, with physical objects in the collection. A portion of the information defined by association with one of the physical objects comprises one or more of history, stories and opinions associated by SIO codes with the members contributing, the changing collection of information over time defining an evolving social identity of the particular one of the physical objects in the collection of physical objects.