You tell your 18 year old son he should start saving for retirement. Even if he invests 5 dollars worth of Bitcoin a week he will be able to retire comfortably. “But dad Bitcoins price is 10 million a coin! “ you tell your son a single Bitcoin can be split into a quadrillion fractions. He smiles and buys 10$ worth of Bitcoin on Coinbase. You open up the doors to your mansion and get in your Lambo. You were one of the lucky ones who bought Bitcoin under 100,000.

submitted by /u/gford333
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Source and link to Reddit topic: The year is 2040