FILE - This Dec. 29, 2009 file photo shows a Big Mac sandwich in front of a drink at McDonald's in North Huntingdon, Pa. McDonald’s on Monday. May 5, 2015 became the latest chain to announce that it’s teaming up with a service called Postmates to offer delivery as a pilot program in New York City, following similar announcements by Chipotle and Starbucks. (AP Photo/Keith Srakocic, File)