Bitcoin for Silly Daddy

How many years are we away from a scenario where paper money is frowned upon and even rejected?
Of course no person in their right mind would be so ungrateful (or foolish) as to turn down any form of currency. But there could come a time when early adopters of cryptocurrency actually prefer to receive money exclusively in bitcoin. What is bitcoin? It's a new kind of digital currency that is already being used on a global scale. The future is here now.
Bitcoin users are usually highly proactive...