jfruhlinger writes "Google today announced Google Wallet, an NFC-based payment system that will allow people to pay for purchases just by waving their phone across a reader. It's the beginning of a future where commercial transactions are 'frictionless' and convenient — but it's a future where every transaction can be tracked and data-mined, as Dan Tynan points out. Stores can user information about your Doritos purchases to rearrange their wares; Google could push coupons via its new Google Offers service; your health insurance company might be interested in your sodium intake."
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