-Regular mail was replaced by email
-Previously, we took actual photos; now we take digital photos
-Digital music replaced cassettes and CDs.
-We switched to direct deposit from cash or checks.
How often do you actually have cash? It's rare that I do! The next item on this list is money.
Then... Buy Bitcoins.
I'm glad there is someone who saw the trend. Looking back some years, you'd realise the world started evolving digitally in everything. As it evolved, we embraced every form of evolution digitally until it got to money and there we have the problem of adoption.
Many people don't trust digital money largely because of the claim of the government. The government understands the freedom that comes with owning digital currencies and as such are doing everything not to make people adopt it.
If you'd ask me, I'd say eventually bitcoin and other cryptocurrencies will eventually adopted by everyone because that's just the where the world is going.