There's a great series of answers to this on StackOverflow: http://stackoverflow.com/questions/3956478/understanding-randomness http://stackoverflow.com/questi

There's a great series of answers to this on StackOverflow: http://stackoverflow.com/questions/3956478/understanding-randomness http://stackoverflow.com/questions/3956478/understanding-ran... In short: doing things like this actually reduces the randomness of the end result.