Which pioneering technology, first widely implemented in the early 2000s, is considered the foundation of modern retail personalization algorithms?

The retail landscape has been transformed by technological innovations that analyze customer behavior to deliver personalized experiences. These algorithms have revolutionized how retailers interact with customers, but do you know when this transformation began? Test your knowledge about the pivotal moments in retail personalization technology that changed shopping forever.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Collaborative filtering recommendation engines used by Amazon
RFID inventory tracking systems
QR code-based loyalty programs
NFC payment technology