NFC tags and readers communicate wirelessly with each other over very short distances. Tags store a small amount of data on them that is sent to the reader in the form of electromagnetic pulses.

Put the power of NFC Tags to work in your Android world with Trigger. This week in our Android customization series we show you how to write and scan your own custom NFC Tags using an app called ...

In current versions of Android, however, that requires a bit of extra work with third-party apps and whatnot. In L, there's an option to do it directly from the Wi-Fi settings menu, as shown above.

An NFC tag is more durable than luggage tags or cardstock It's easy to digitally inscribe your name, email, and phone number via an NFC vCard that interacts quickly and directly with Android.