Well... in the Level 3 classification of parallel universes from the SCIENTIFIC AMERICAN article, which is the "most interesting" classification because it is the one driving the development of quantum computing -- I have been a probation officer in nearly an infinite number of parallel universes. For those of you who enjoy Sci-Fi and want to try exploring this area without being too overwhelmed try the book, PERMUTATION CITY, by Greg Egan -- it's actually mentioned in the SCIENTIFIC AMERICAN article on Parallel Universes.