Forget the plastic — the iPhone 5S is will be using fingerprint recognition as a way for users to make purchases with a single touch. Apple enthusiasts will be able to press the home key to unlock their phones, as well as to make Apple store purchases instead of entering their usernames and passwords. We like the idea of personalized security and the "press and shop" addition, but fear what this could do for anyone with a propensity towards impluse purchasing.

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