This is a usability benchmark of the shopping experience on 50 major mobile e-commerce sites. You’re currently navigating by mobile page type (Shipping Address). You can also navigate by case studies.
On this page there's 23 highlights (pro only) outlining what Staples are doing right and wrong. The screenshot was taken May 29, 2015 and depicts Staples' Account and Shipping Address and Billing Details and Payment.
In total, 10 of Staples' pages have been benchmarked across 146 usability guidelines from the Mobile E-Commerce research study. See full Staples case study.