Snow Crash is computer lingo Andrew. It means a system crash at such a fundamental level that it frags the part of the computer that controls the electron beam in the monitor. Making it spray wildly across the screen turning the perfect grid work of pixels into a gyrating blizzard. Snow Crash is also a name of a drug in this book and maybe a maybe a religion maybe a computer virus. All the same one and the same. Are you going to get mad about the computer stuff in this book? Is that going to happen?