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Now it's completely unsourced. The topic is relevant to both history and literature, but we need some cites. (I also removed the APA editors' e-mails, which should not be in articles or even talk pages.) --Orange Mike | Talk 16:34, 2 June 2008 (UTC)
I notice the article seems to lack decent organization. It mentions a definition, its use in fiction, gives some examples (that take up most of the page). And mentions multiverse theory. Is there anyway that could be expanded and organized so that we could have perhaps 'in science', and 'in fiction' categories, as well as making the rest streamlined and to the point?--Ollyoxenfree (talk) 20:33, 11 February 2013 (UTC)