Which major retailer pioneered the use of facial recognition AI in 2018 that could identify returning customers and their shopping preferences without requiring loyalty cards or app sign-ins?

In today's competitive retail landscape, major brands are leveraging advanced technologies to enhance customer engagement and personalize shopping experiences. One particularly innovative approach involves using machine learning algorithms to identify returning customers without traditional loyalty programs. This poll tests your knowledge of cutting-edge retail technology adoption by major brands.

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Alibaba's Hema Fresh stores
Amazon Go stores
Walmart's Project Kepler
Target's Circle program