@FranckLeroy @coinbase
That is how we see it being used in the future anyway. Its a future that is perhaps 5-20 years away however.
For the time being you can do the quarterly transfer to your local independent grocer with it, because it's still in its early days.
But looking into the future, bitcoin is not something to use on a yearly basis, no. The same way you wouldn't dip into the "Savings" account everyday, we put the word "Savings" in quotes for a reason.