Gabe Weatherhead over at MacDrifter makes the argument against ever having NFC in an iPhone:
NFC is solving the wrong problem. Here’s the real problem: how do we communicate data a short distance as quick as possible with the least effort?
His solution?
The human eye has already solved that problem. The camera has too.
…
With improvements in OCR, a camera could interpret text and images from an iPhone screen directly. Facial recognition could be used as identification without needing pin systems.
I think Mr. Weatherhead is on the right track. I like the idea of his system a lot more than anything that is currently available.
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