International Herald Tribune Qian Zheng, Tokyo supermarket, from the bottom of vegetables, fruit and meat marked with the weight, origin, and shelf-life is common, although in Japan, customers can also be found on their computers or mobile phones ” life encounter “or even the producer of the pictures for much more data.
Agricultural products with a “ID”
Ito-Yokado in Tokyo Oi in the basement of town food supermarket outlets, the reporters found in fresh food sales location of this “can see the face of the food.” Readily grabbed a bag of tomatoes and found the upper left corner of bag tag has a 10-digit ID number, write a couple of lines below, “Yama-gun Fukushima Inawashiro areas, stone Tianxuan Chong tomato,” lower correct corner of the label has a square two-dimensional QR code (two-dimensional space of this bar code bar code can store much more data than the average).