Why there is always a safe place for PEOPLE to communicate.

P.S. (please read before commenting)...

1. Yes, this is just a "one time pad", and using each key only once is crucial.
2. Yes, this is uncrackable. Without the key you cannot get the message. Brute force does not work as it gives all possible messages and does not say which is the one being sent.
3. Yes, random numbers do exist, but for this a pair of dice is more than adequate.