NFC, or near field communication, is a popular wireless technology that allows you to transfer data between two devices that are in close proximity to each other. It’s often used as a faster and more ...

Join the tag team.

We've shown you how plastic discs or tags can start timers, play music, send notifications, and more just by tapping your phone on them. It's because in these discs, are a computer chip and antenna.

This feels less like tech — and more like magic ...