This intriguing drone concept drops packages straight into your hands

Technology research company Cambridge Consultants has unveiled a drone delivery concept called DelivAir that delivers a package directly into someone’s hands, using coded patterns sent via a phone’s LED flash to identify the recipient. The company says this type of delivery is ideal for items that are needed instantly or critically like a first aid kit to a hiker, emergency relief packages to disaster areas, or for delivering medical supplies like an EpiPen.
Delivering a package is a