Earlier quoted context omitted.
If the deflation ever becomes stable(ish), the increase of value can be accounted for in the price, as sellers will have a reason to prefer BTC and offer discounts (not to mention eliminating all those 2.9% credit card fees). We already buy all sorts of optional goods, even if those goods will depreciate compared to letting money sit in a bank account and accrue interest.
Bingo, we have a winner. What is important is NOT deflation vs inflation, but to keep that value _stable_. USD inflates at a rate of 3% year over year, so we can compare investment vehicles against the rate of inflation and see whether or not they are good deals. But since BTC is extremely volatile, its impossible to use it as a unit of value. Until it settles down and becomes predictable, it will become impossible t…
As is, though, I think it's already more stable than local currencies for some parts of the world (though perhaps still not more so than the dollar).