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4 Reasons the Mobile Wallet Revolution Isn't Going Anywhere

Read the tech news these days, and you could be forgiven for thinking that folding cash and credit cards will soon be extinct, replaced by digital wallets in our smartphones. But the reality hasn't lived up to the hype, and a growing chorus of experts say it probably never will.

Starbucks to Allow 'Digital Tipping'

The Seattle-based coffee company says a digital tip function will be added to its mobile payment application starting next summer. A similar option will also be available on Square, a new payment app that Starbucks customers will be able to use starting in November.

Moving to Mobile Payment: Put the Right App in Your Digital Wallet

Lately, it seems like you can't go a week without hearing about how some new mobile payment platform is poised to revolutionize how you spend money: Apps like Square, PayPal's Zong and Google Wallet, to name just a few. We run done the options so you can pick the right for you.

This Retailer Just Flat Out Stinks

Investors figured that new J.C. Penney CEO Ron Johnson's "Fair and Square" pricing strategy wouldn't be a hit right away, but no one expected the recently remodeled department store chain would be this earnings season's biggest disaster.

App Makes Money Between Friends Issues Less Painful, More Social

When money and friendship mix, the results can get awkward: You front a friend some cash, and then what? Venmo, an app that helps you exchange money through mobile devices, is designed to remove that awkwardness and replace it with something social, and even fun.

Square Gets Valued at $200 Million: Is It the Next PayPal?

Square makes it much easier for even the smallest retailers to accept credit cards: The mobile payment firm offers easy to use hardware that plugs right into iPhones or Androids. But at least part of its new high price tag probably derives from the fact that its founder, Jack Dorsey, also co-founded Twitter.

Goodbye Credit Cards, Hello Smartphones

The smartphone revolution is about to upend another business: credit card processing. With Google's new Android app that allows you to literally pay by phone, and Square's new hardware that turns any iPhone into a transaction processor, your plastic could become obsolete.