Every decision you make may spawn parallel universes where people are suffering because of your choice. Welcome to the quantum moral maze
I'm rich. I'm a movie star. I'm king of the world. I'm also poor. I'm homeless. Lots of me are dead.
I'm none of these. Not in this universe. But in the multiverse I'm all of them, and more.
I'm not a megalomaniac or a fantasist, but I do have a fascination with what-ifs. In the many-worlds interpretation of quantum mechanics, every decision I take in this world creates new universes: one for each and every choice I could possibly make. There's a boundless collection of parallel worlds, full of innumerable near-copies of me (and you). The multiverse: an endless succession of what-ifs.
...
_________________________________________________________
http://www.newscientist.com/article/mg22329880.400