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.

The NFC hype isn’t what it once was, but it’s still a handy feature you should take advantage of or get to know. How does NFC work, and how do you use it? We’ll walk you through how to use ...

For example, using NFC, you can touch two Android devices together to transfer data like contacts, links, or photos. One-way communication: Here, a powered device (like a phone, credit card reader ...

If your card is new, chances are your card supports NFC. Just look out for the NFC icon on the back. Cashiers generally don’t know how to use NFC payments. So instead of telling them that you ...

How to use NFC tags in the iOS ... your iOS device is close to an NFC tag. Image: Apple, Inc. NFC tags are small chips embedded into stickers or cards [maybe include why they’re embedded ...