Memphis, New Orleans, Philadelphia, Phoenix, San Diego, the San Fransico Bay Area and Salt Lake City will have the service by ...

The expansion comes as Amazon operates drone deliveries in Phoenix and Zipline announced plans to launch service in the city earlier this year.

Wing uses a tethered drop to put Walmart deliveries in customers' driveways. Courtesy of Wing and Walmart Drones could start dropping off Walmart packages in Philly by next year. The big picture: The ...

Add Yahoo as a preferred source to see more of our stories on Google. A Wing delivery drone takes flight with Walmart on Miami Dade College Campus. (Jesus Aranguren/AP Content Services for Wing) ...