Delivery by Drone ........ (!)
I won't say anything more - just watch the videos (there are two of them)

http://usnews.nbcnews.com/_news/2013/12 ... rones?lite
Of course there are clear air control issues ..... blindingly obvious ..... and clearly not a cats chance in hell of doing it in 2015. But even the FAA have said a controlled limited version may be sanctioned by 2017, albeit it may take until circa 2026 for full clearance.
The beat moves on ...... :)