Costco is testing a feature that would allow customers to scan items in its warehouses and pay for them on their phones, following the lead of Walmart-owned rival Sam’s Club. CEO Ron Vachris offered few details on the technology,

Costco is testing a “scan-and-go” checkout system similar to Sam’s Club, allowing customers to scan items with their phones, build a digital cart, and pay through an app. Initial test results have been positive,