Dan Simmons using a finger ring phone
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The phone you wear on your finger

A phone you wear on your finger and a wristwatch which turns your TV on and locks your front door - whatever next?

BBC Click's Dan Simmons goes behind the scenes to see some of the projects in research and development at Japan's biggest telecoms firm NTT Docomo.

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

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