Google unveils service that allows users to keep digital copies of credit cards on their smartphones.

It’s becoming clear that in Google’s vision of the future, every human tool since the wheel is destined to be folded into the smartphone, that digital Swiss Army Knife around which our lives are increasingly centered.

Google’s newest offering replaces an accessory we’ve carried since man first stripped hide from beasts: Our wallet. Google Wallet is a service that eliminates the traditional notion of the leather carrying case, allowing you to store digital versions of your credit cards on your smartphone. Wired

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