[mrb]

I wonder if there would be an interest in a virtual credit card (NFC smartphone) showing you how much money you can spend for, say, the rest of the week. You would be able to configure your desired spending limit. The virtual credit card app would automatically be able to update the amount of money spent whenever recurrent charges are processed automatically. The idea is that whenever you pull your smartphone to pay, you always see exactly how much you have spent so far. As opposed to the situation today where nobody logs in multiple times daily on their bank/credit card website to check how much they have spent.