Which retail innovation holds the Guinness World Record for 'Largest Product Database Used for Personalized Shopping Recommendations'?

The retail world has seen some incredible innovations that have broken world records and transformed how we shop. From the fastest supply chain systems to the most extensive IoT implementations, retail companies are constantly pushing boundaries. Test your knowledge about these record-breaking retail achievements that have earned their place in the history books!

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

Amazon's A9 Algorithm (2019) - 562 million unique product recommendations per day
Alibaba's Taobao Recommendation System (2020) - 498 million unique product recommendations per day
Walmart's Customer Preference Engine (2021) - 415 million unique product recommendations per day
Target's Circle Personalization Platform (2022) - 327 million unique product recommendations per day