In future everything will Bitcoins. mean every transactions like purchasing or selling . Online shopping and doing transactions. its not a paper currency in future atm mechines/ credit card payments/ net banking everything disappear with bitcoins.
I also hope it will happen, where all transactions can use bitcoin. But if you want to see bitcoins being accepted anywhere and used as a payment option then you have to get the government to adopt and legalize bitcoin. Then bitcoin will be accepted everywhere after that