Controlling smells with your smartphone
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CES 2017: Aromacare controls smells with a smartphone

2 January 2017 Last updated at 00:05 GMT

A French start-up has developed a "smart" aromatherapy diffuser.

It is one of hundreds of app-controlled gadgets on show at this year's CES tech show in Las Vegas.

But is there really demand for smartphone-driven smells?

Read our CES 2017 preview

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