https://techcrunch.com/2017/08/21/wal-mart-takes-a-cue-from-amazon-and-applies-for-its-own-drone-deploying-blimp-patent/

Wal-Mart Stores Inc. is taking on Amazon in what appears to be a copycat move — by applying for a drone-deploying blimp patent.

You may recall about a year ago Amazon filed a patent for a flying warehouse that will send drones to your door. Now Walmart wants in on Amazon’s idea.