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QR code badges could help lost seniors find their way home

QR codes are proving to be an enduring method for easily attaching digital information to physical objects, and we’ve seen them used in a variety of ways. Australia’s StrayHat has made it easier for parents to find their kids’ lost stuff with QR code labels, and now a local authority in China has now issued QR code badges to elderly people, enabling passersby to help them back to their home if they get lost.