Image for Unlock doors by wearing jewellery

Unlock doors by wearing jewellery

Duration: 04:09

NFC - near-field communication - was meant to be the next big thing. But, allowing payments or communication without touch being necessary has proved a difficult market to crack.

Spencer Kelly reports on how one company is hoping placing NFC technology in jewellery will make people more likely to invest in the technology itself, testing a ring that can unlock everything from a phone to a front door.

Available since: Wed 14 Aug 2013

This clip is from

Click 10/08/2013 GMT

Guide to the latest gadgets, websites, games and computer industry news.

First broadcast: 10 Aug 2013

Image for 10/08/2013 GMT

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