We explained that our “QR Code Jell Nail Sticker System” is a low technology (low-tec) but low cost (low-cost) system that is easy to introduce for government, nursing care facilities, and individuals.
In Iruma City, Saitama Prefecture, about 300 people put a “QR Code Sticker” with identity verification informationon their nails and lived a safety life with a mechanism that allows them to return to their familiar homes even if they go missing.