NFC tags are plastic discs or tags that can start timers, play music, send notifications, and more just by tapping your phone on them.
Interact with NFC devices on Chrome for Android, Capabilities
How to encode NFC tags with an iPhone - Seritag
How to Write NFC Tags with iPhone Using iOS 14
Web NFC - interacting with NFC tags from a browser - Seritag
How to Use NFC Tags in Marketing - atlasRFIDstore
NFC tags not recognized - Devices & Integrations - SmartThings Community
Getting Started with NFC
Get started with NFC tags on iPhone
How to make NFC automations to use with your iPhone
How to use NFC tags with your Android mobile phone - CNET
Adding and disconnecting NFC tags