Money remittance is where we should focus on. I think this is an area where bitcoin has the advantage but we never fully utilize or capitalize on it. Imagine having the fund reached the other party almost instantly and with the low fee. For an annual 50 billion market worth, half of that amount would easily change everything.
Yes in this digital world, we focus for instant things usually. So, digital currencies are inevitable to make changes in our conventional financial world. Digital currencies will find boom everywhere as now a days people uses digital things almost everywhere.