Which major retailer was the first to implement the 'Guest ID' system that assigns each customer a unique identifier to track and analyze their purchasing patterns across all shopping channels?

The retail landscape has been transformed by technological innovations, particularly in how stores track and analyze customer behavior. Major retailers have pioneered different approaches to gather insights about shopping patterns, preferences, and habits. This trivia question tests your knowledge of which retail giant first implemented a groundbreaking customer analytics system that changed the industry standard for retail data collection and personalization.

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Target
Walmart
Amazon
Best Buy