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South Korean inventor Lee Ae Youn has showcased a child’s show which comes with a QR code printed on it.
She says it can carry information and contact details which may help a child to be reunited with its family, if he or she were to become lost.
“The QR code shoe is one way of preventing our children getting lost. It’s cheap, it’s quick and it’s easy to use,” she said.
A total of 48 countries took part in the 2016 Geneva invention show to present more than 750 inventions.
Almost 60,000 people are thought to attend and patent deals worth millions of pounds are made there every year.
A scanner which could detect contraband items or hidden weapons on aeroplanes stole the 2013 show, winning the grand prize.
The Romanian team behind it have since gone on to become millionaires.
The International Exhibition of Inventions in Geneva finishes on Sunday.
Agencies/Canadajournal
