Walmart is rolling out its "Scan & Go" technology to 100 additional stores by the end of January.

Walmart's new Scan & Go system allows shoppers to scan their groceries as they shop to save time at the checkout line. MIKE SIMONS/Tulsa World The Tulsa area is one of the test markets for Walmart's ...

Costco is following in Walmart’s footsteps to use technology to help eliminate a major customer complaint – long lines at checkout. Warehouse club chain Costco has launched a scan-and-go pilot program ...

Walmart has killed Scan & Go, a service that let customers scan and pay for items without checkout lanes, cashiers, or registers. At the same time, Amazon is doubling down on its own version of the ...

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 ...