Wal-Mart expands iPhone-based checkout - Chicago Tribune
 Apple Insider | Wal-Mart expands iPhone-based checkout Chicago Tribune Shoppers scan bar codes on items they want to buy, using the Walmart app on their iPhone, iPod touch or iPad to keep track of the planned purchases and the total cost. Then they pay at a self-checkout screen, bypassing the typical registers. As it ... Walmart Expands Its iPhone Checkout System Walmart's iPhone Scan & Go pilot program to expand to more than 200 stores Walmart extends iPhone scan-and-checkout feature |