Contactless takes another step with NFC rings

Emmet Ryan is finally comfortable with jewellery now there's a bit of tech in it

Lord of the rings Pic: Emmet Ryan

The design may be different but the first time you try on a NFC ring, you immediately feel like a Green Lantern. There's no oath required to make the devices work, although the technology is still at a point where it can't be depended on entirely, be it brightest day or blackest night.

Earlier this week Visa showed off its plans to use the technology at the opening of its new innovation centre ...