Amazon announces a plan to expand its drone delivery network to nearly 500 U.S. cities

Millions more people may be able to get smaller, lightweight Amazon packages delivered by drones by the end of the year under a plan the company announced Thursday to expand the airborne shipping to suburban areas in nearly 500 U.S. cities. Customers could receive the drone deliveries in as fast as 30 minutes, Amazon said in a news release. The drones can carry packages up to 5 pounds. The plan will intensify the battle between Amazon and Walmart to provide consumers with the fastest delivery…