Which of the following technologies has enabled the 'shoppable recipe' trend that allows consumers to instantly add all ingredients from an online recipe directly to their digital shopping cart?

Grocery retailers and food brands are constantly evolving their digital strategies to enhance customer experience. One innovative omnichannel approach has transformed how consumers shop for ingredients. This trivia question explores a specific technology that has revolutionized the connection between online recipe content and retail food purchasing. Test your knowledge on this growing retail food trend!

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API-based ingredient recognition and retail integration systems
QR code scanning on physical recipe books
Voice-activated kitchen assistants like Alexa and Google Home
Blockchain-based food supply chain verification