If you walk into a Starbucks today, people are paying not with just their cards and cash anymore, but their phones, too. Consumers – at least in most parts of the world – are still getting used to the idea that their phones can function as debit or credit cards, but attitudes toward mobile money is going to change rapidly in the next few years.
The transition to mobile payments is by no means a bad thing, though. This presents unprecedented opportunities for card issuers as....