In a particular supermarket,a customer picks up a J.K.Rowling book to examine before purchase.The retailer uses technology to suggest related items,such as other books by the author and Harry Potter merchandise,via the customer's mobile phone.What technology is the store using?
A) Beacon
B) RFID
C) Swarm
D) Click-and-collect

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The Answer of In a particular supermarket,a customer picks up a J.K.Rowling book to examine before purchase.The retailer uses technology to suggest related items,such as other books by the author and Harry Potter merchandise,via the customer's mobile phone.What technology is the store using?
A) Beacon
B) RFID
C) Swarm
D) Click-and-collect

In a Particular Supermarket,a Customer Picks Up a J