Mirror Worlds
According to Rainie & Wellman (2012), Mirror worlds are another form of physical and digital convergence to augmented depictions of environments. Mirror worlds augment representations of physical spaces, such as maps" (p. 283). Examples are GIS mapping, Google Maps, and Google Street View (p. 283).
Virtual worlds different from augmented reality and mirror worlds because they are online "places" where all content is graphically simulated, rather than projecting information onto the real world" (p. 284).
References:
Rainie, H. & Wellman, B. (2012). Networked: The New Social Operating System. Cambridge: MIT.