It is a fantastic illustration of why you need to transcend the specs. If the specs were often crystal obvious, there wouldn't be A lot place for web-sites like StackOverflow. From Microsoft For needs of backward compatibility with HTTP one. Amazon is trying out a completely new type of vending https://www.aeroindustrial.com/principales-razones-por-las-que-las-empresas-eligen-servicios-de-inspeccion-con-drones/