Dec 16, 2016
SAITAMA, JAPAN - DECEMBER 16 : A government employee demonstrate the QR nail sticker to a thumb to help track down the elderly at Iruma City Office, Saitama Prefecture, Japan on December 16, 2016. The Iruma City Government presented their tiny nail stickers, each of which contains a unique identity number for senior citizens with dementia, on Friday. A tagging system, part of a free service launched this month and a first in Japan, has been developed for the elderly who may get lost due to their illness. (Photo by Richard Atrero de Guzman/NURPhoto)