Having worked as a grocery cashier before modern scanning technology and being a frequent Walmart shopper, I’ve always been interested in innovations that might speed up the checkout process. I became a self-checkout enthusiast years ago, finding it faster than waiting for cashiers in addition to modern checkout lanes not making it easy for the customer to help with bagging. Despite my efficiency, Walmart trips still took at least an hour, so I was intrigued when I heard about “Scan & Go” programs. After trying Walmart’s version for two months, I abandoned it due to several frustrations: the $14 monthly fee, having to use my own phone instead of store-provided scanners, the app’s poor scanning capabilities, and random security checks that confused employees. In the end, using “Scan & Go” actually increased my time in the store rather than reducing it.
This experience made me curious about Amazon’s more ambitious approach to frictionless shopping. While Walmart required customers to do the scanning work themselves, Amazon’s “Just Walk Out” grocery stores promised a truly automated experience: Walk in, take what you need, and leave without any scanning or checkout process at all. No muss, no fuss.
Despite the innovation, Amazon recently abandoned its “Just Walk Out” model for several reasons:
- The technology implementation costs proved unsustainable.
- Rather than the advertised AI automation, the system relied on a team of 1,000 workers in India reviewing footage to ensure accuracy.
- With only 52 stores across 8 states, the tech was only available at half of the e-commerce giant’s Amazon Fresh stores.
- Many consumers expressed discomfort with the extensive tracking required.
Instead, Amazon has opted for the “Scan & Go” model, switching to what it refers to as “Dash Carts” requiring customers to still be involved in the checkout process.
This retreat might suggest automated grocery shopping was just a passing trend, but the industry continues to push forward with new approaches.
At NRF 2025: Retail’s Big Show this January, Sensei, a European provider of autonomous retail tech, unveiled its vision for autonomous supermarkets that aims to address previous shortcomings with its motto of “Retail that feels right and runs better”. Their system offers:
- Real-time Virtual Basket Technology: Similar to Amazon’s concept, but with claimed improvements in accuracy and transparency. No scanning, no checkout lines.
- Staff Redeployment: Only bringing in employees when needed for a customer so they can contribute to higher-value roles like bakery and deli operations.
- Smart Ecosystem Integration: Seamlessly connecting automated systems like coffee machines
- Guaranteed Privacy: Its tech is GDPR-compliant, ensuring cameras don’t collect or store biometric data points.
“Sensei’s technology goes beyond eliminating checkout lines—it enhances the entire shopping journey while providing retailers with invaluable real-time data to optimize their operations,” explains Vasco Portugal, CEO and Co-Founder of Sensei.
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