I've said this before, but feel the need to say it again here.
I have to voice some considerable disappointment with Warren here. The way the world is moving, towards virt currency versus physical, or in other words, digital currencies versus hard, easily manipulated currency that our governments pedal. If anything, I see a significant drop in hard currency or dollars use and dramatic increase in digital use across the board. His biggest issue, is that he's heavily invested in dollars and other forms of physical currency, so this terrifies him and as he says, "I just don't understand this stuff"!
In my opinion, I believe certain ones will do much better than others and therefore the death of some is imminent. However the ones that are accepted and transitioned into everyday life will be the wave of the future and make many people who invested early very wealthy.
Just thought I'd throw that out there.