Device security is a must, that looks like a showstopper, if at the very least rotten apples in the NSA can take your bitcoins anonymously you are in trouble, a

Device security is a must, that looks like a showstopper, if at the very least rotten apples in the NSA can take your bitcoins anonymously you are in trouble, and most people don't have enough clue on how to be secure (i.e. average windows users) to put "real" money there. And of course, big adopters. For services and digital goods is a natural method of payment. But it should have some price stability for that.