[youtube]http://www.youtube.com/watch?v=4om1rQKPijI&feature=related[/youtube]
mirror world:
[youtube]http://www.youtube.com/watch?v=Cm2IQ0y2J0Q[/youtube]
Gibson created the term mirror-world to acknowledge a locational-specific distinction in a manufactured object that emerged from a parallel development process, for example opposite-side driving or varied electrical outlets.