If you've already seen Prometheus, then chances are you've come away with some lingering questions about the movie's basic premise. Luckily, there's a whole SMS conversation between a human and an extraterrestrial being over at Listen Eggroll that should explain everything. And by explain everything, I mean point out all the huge gaping holes in the basic set-up. Warning: Don't click that link unless you've seen the movie already. [Listen Eggroll via Scott_Tobias on Twitter]