A pair of smart shoes has been created to let industrial workers keep in touch via toe-typed coded messages.

The footwear was inspired by Morse code, but made possible by the latest communication technologies.

BBC technology correspondent Rory Cellan-Jones meets the firm responsible at the Mobile World Congress in Barcelona.

Media Story - http://www.bbc.co.uk/news/av/technology-43205947/morse-code-shoes-send-toe-tapping-texts-at-mwc-2018