Scan-and-go technology has been introduced by department stores like Macy’s and supermarkets like Kroger, which jibes with consumer preferences. Walmart, however, shelved its trial in May, citing low consumer adoption.
Nearly six in 10 US internet users surveyed by GPShopper were either neutral or wouldn’t be deterred by a cashless store, which would indicate there were issues with Walmart's offering beyond having to use mobile payments. It’s possible that shoppers weren’t comfortable with this tech yet or preferred human interaction with a cashier, but it also could be that it wasn’t seamless enough to save much time. Users still had to show a staff member that they had actually paid before leaving the store.
In a December 2017 iVend Retail survey about emerging retail tech, internet users worldwide were most interested in automatic payments using a digital shopping cart (32.9%), which would serve a similar purpose as scan and go and take less effort on the shopper's part. Biometric ID and payment ranked third (19.8%) despite respondents in the GPShopper survey not perceiving the usefulness of facial recognition.
Perhaps when the functionality is more explicit—the ability to pay by face (or fingerprint or voice)—shoppers will see the benefit. Whether or not an emerging tech application is useful in a meaningful way is at the core of consumer acceptance.