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Unlock doors by wearing jewellery

16 August 2013 Last updated at 09:00 BST

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.

Watch more clips on the Click homepage. If you are in the UK you can watch the whole programme on BBC iPlayer.

The programme was first broadcast on Saturday 10 August 2013.