On this page there’s 3 highlights (premium only) outlining what Costco are doing right and wrong. (Tip: use the arrows above or on your keyboard to navigate all 37 ‘Checkout: Address Validator’ design examples.)
The screenshot was taken June 30, 2016 and depicts Costco’s Address Validator. In total, we’ve reviewed 39 of Costco’s design elements. To see them all, visit the full Costco UX case study.