Bitcoin is already been use as a daily currency, as many transactions  is carried out using  Bitcoin for these transactions almost  all over the world.The transaction fees are not too high and the confirmation time on the block found is about 10  to 30 minutes. For those who are already using bitcoin for daily online payments and other transactions, they are already use to the system of payments which on daily bases when they enter into their transactions.The Volatility may be a factor, when it is been use, yet when holders of bitcoin come to the understanding of the Crypto called Bitcoin, it will rather gain more acceptability and Usage as a daily  currency  as it already have been used.