
SHANGHAI -- Vending machines stocked with the likes of carrots, peppers and tomatoes have become a common sight in China's largest city as QR codes empower the consumer to check where they were grown and when they were harvested.
Information-packed bar codes assuage food safety fears
SHANGHAI -- Vending machines stocked with the likes of carrots, peppers and tomatoes have become a common sight in China's largest city as QR codes empower the consumer to check where they were grown and when they were harvested.
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