Image via CrunchBase
There's no reason that almost everything in your wallet can't be handled by your smartphone.
In some circles, the notion of a smartphone acting like a credit or debit card is fascinating, and you see story upon story about mobile payment-enabled smartphones and the potential rise of PayPal, the telcos, and such as the new payment processors. Who cares? Even if Visa and MasterCard were somehow to let go of that billion-dollar processing business, you're merely replacing one financial processor with another.
The fact that a smartphone could act as a card is an inconsequential change. You still have to carry a wallet, and as long as that's the case, a simple plastic card remains easier to use, given that the technology for reading them is universal and all the proposed mobile alternatives require new, often separate, readers and work only with certain vendors -- you'll still be carrying plastic for the other banks' and merchants' systems. As a friend recently said, payments can't get more mobile than they already are.
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