BONN, GERMANY - DECEMBER 10: A quadcopter drone with a small delivery flies at the Deutsche Post/DHL  headquarters on December 10, 2013 in Bonn, Germany.  Deutsche Post/DHL is testing deliveries of medicine from a pharmacy in Bonn in an examination into the viability of using drones for deliveries of small packages over short distances. U.S. online retailer Amazon has also started its intention to explore the possibilities of using drones for deliveries. (Photo by Ulrich Baumgarten/Getty Images)