Trends in Japan - CScout Japan Blog: QR Code Sand Castle, by Sinap
Can a mobile phone read a QR code created not digitally, but out of sand? This is a question that arose while communication “architects” Sinap Co. Ltd. were brainstorming new strategies for reaching customers in a world suffering increasingly from information overload. A QR code created by a natural substance, and one as fragile as sand, would make an impact, they thought. The question remained, would it actually be usable?