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The wallet as you know it may be dying

You grab your keys, smartphone and wallet when you leave the house. Would it be such a disaster if you left that last one behind?

With mobile pay, you can go without a wallet at checkout

When you're at the checkout line this holiday season, you could juggle your bags and dig into your purse or billfold for your credit or debit card. Or you could use that phone you're already clutching, or that new smartwatch ...

Apple Pay comes to Costco, but Walmart remains a holdout

Corrections & Clarifications: A previous version of this article misidentified who gets a cut of the transactions if Walmart joined Apple Pay. The banks used through the Apple Pay app would receive a 0.15 percent cut.

Are consumers ready to give augmented reality a try?

You might have gotten a taste of "augmented reality," the blending of the virtual and physical worlds, as you chased on-screen monsters at real-world landmarks in last year's gaming sensation, "Pokemon Go."

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