Characterize the news's sentiment using the following options.
Options: positive, negative

Nashville International Airport's Hudson Nonstop concession shop is the latest location to add Amazon.com Inc. AMZN, -5.45% "Just Walk Out" technology, which allows customers to bypass checkout when purchasing items. Shoppers swipe a credit card or wave their palm above an Amazon One device when they enter, and leave with their items when they're done shopping.
positive