News Summary

• Shoppers who used AI-powered shopping carts spent 32% more at the supermarket than those who stuck with an ordinary trolley.
• The technology also resulted in people buying more items and lingering longer in the aisles.
• But when the researchers zoomed in on their most enthusiastic users, the "superusers" who racked up more than 20 screen interactions in a single trip, things no longer appeared to be perfectly aligned.
• It's possible that smart-cart users spend more because of the cart.
• However, it could also be that the kind of person who reaches for a smart cart was always going to fill a bigger basket.