The biggest employers in the world account for a vast percentage of global GDP. In some cases these organizations aggregate tremendous amounts of value to the local economy via Research and Development (R&D). In the chart below, the defense industry, energy corporations as well as retail and fast food industries are the clear winners... 
What a few people realize is the amount of R&D and innovations fostered by these companies. 

Equipments and solutions we often take for granted, such as cellular phones, the internet, GPS systems, home alarms, commercial aircrafts, satellite dishes, or fast food... only exist thanks to a lot of R&D paid by these organizations.


What is your favorite innovation created by one of these organizations?