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How to use Google Wallet - and why you should already

While it's primarily a payment app that lets you bypass your traditional wallet, Google Wallet has a range of other handy uses.

Google Wallet uses the same NFC technology that powers "tap to pay" found in most credit cards these days. I recently added my family's local theme park season passes to my Google Wallet. Even better, if we're visiting the water park, I can use my watch to access our drink and meal plans, leaving my wallet and phone in a locker.

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