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How to Use NFC: Program Your Own Chips—Just a Tap of Your Phone to Display Info! Do you only ever use your phone's NFC feature for paying for public transport? In reality, it can also be used to read from and write to NFC tags. Simply purchase a few blank chips—custom-made directly from the factory, with designs tailored to your preferences—and use your phone to program them with your frequently used information. Then, stick them wherever you like: on your fridge, at your workstation, on your ke