Walmart and Kroger Just Took a Big Leap Towards Cashier-Free Stores

Retail and grocery giants [f500link]Walmart[/f500link] and [f500link]Kroger[/f500link] are adding cashier-less technology to hundreds of stores, a continuation of a trend that could make checkout lines and cashiers obsolete in the future.

Walmart announced Tuesday that it would add the platform, dubbed "Scan & Go," to 100 more stores across the U.S., bringing the total up to around 150.