In December 2013, the German Deutsche Post AG tested a microdrones md4-1000 for delivery.
<a href="//commons.wikimedia.org/w/index.php?title=User:Frankh%C3%B6ffner&amp;action=edit&amp;redlink=1" class="new" title="User:Frankhöffner (page does not exist)">Frankhöffner</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>