source japantimes
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Elderly dementia sufferers get QR barcodes from Japan

Living, Dementia: As the Number of population of elderly people is on rise, so is the dementia case across the world. Japan has introduced a great way to keep track of the people who are prone to get lost, tagging their fingers and toes with scannable barcodes.

A company in Iruma, Saitama Prefecture, developed tiny nail stickers, each of which carries a unique identity number to help concerned families find missing loved ones, according to the city’s social welfare office.

The adhesive QR-coded seals for nails — part of a free service launched last month and a first in the country — measure just 1 cm (0.4 inches) in size.

The present stickers are already available, but they are fitted only in clothes and shoes which the old people often do not carry along with them.

If an elderly person becomes disorientated, police will find the local city hall, its telephone number and the wearer’s ID all embedded in the QR code.

The chips remain attached for an average of two weeks — even if they get wet — the official said, citing recent trials.

Surely this is a great initiative and help prevent the elderly people from getting lost across the world