Which technological innovation has most dramatically improved traceability in food product recalls, reducing identification time from weeks to minutes?

Product recalls are critical events in the food industry, potentially affecting consumer health and brand reputation. Modern food safety systems have evolved dramatically over the years, with technological innovations enabling faster identification and communication of potential hazards. This trivia question tests your knowledge about one of the most significant technological advances that has transformed how food recalls are managed in recent years.

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Blockchain-based supply chain tracking
QR code packaging systems
RFID temperature monitoring
DNA barcoding of ingredients