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 Amazon filed a patent for a flying warehouse that will send drones to your door about a year ago. Now Walmart wants in on Amazon’s idea. The patent application, first noted in Bloomberg, shows the Walmart blimp would float about 500 to… Read Morevia Zero Tech Blog
