The technology behind NFC is very similar to radio-frequency identification (RFID) commonly used in the security cards and keychain fobs that you likely already use to get into your office or gym. NFC, which is short for near-field communication, is a technology that allows devices like phones and smartwatches to exchange small bits of data with other devices and read NFC-equipped cards over relatively short distances. However, NFC can do a lot more than just handle mobile payments. If you've ever used Apple Pay, Google Pay, or Samsung Pay, then you've already taken advantage of the NFC feature on your phone. Like many features of your smartphone, it quietly sits in the background until it's needed, but it can also be used to unlock a wide range of cool features that can make your life easier. Don’t worry, though, as the NFC chip in your phone is a passive scanner that does nothing until you hold it within a couple of inches of another NFC device or tag. Whether you realize it or not, your phone's NFC scanner is likely active right now. Nearly all of today’s smartphones and smartwatches are equipped with NFC technology.
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