Which retail analytics achievement holds a verified Guinness World Record?

The retail industry has witnessed some remarkable world records when it comes to customer analytics and engagement strategies. These record-breaking achievements have redefined what's possible in understanding consumer behavior and creating targeted marketing campaigns. Test your knowledge about these retail analytics milestones that have earned their place in the record books. Can you identify which groundbreaking retail analytics achievement actually made history?

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

Amazon's recommendation engine processing 1 billion customer data points per second during 2019 Prime Day
Alibaba's Singles' Day 2020 event analyzing 970 petabytes of consumer behavior data in 24 hours
Walmart's IoT system simultaneously tracking 2.3 million in-store shoppers' movement patterns in December 2018
Target's 2021 predictive analytics algorithm identifying customer pregnancy before family members with 97% accuracy