IoT vs. Industry 4.0
Maybe we should distinguish between consumer-oriented gadgets (typically connected to the Internet just to enable consumers to brag with their ability to toy around with said gadgets via smartphone apps) and serious technology used in production, logistics, transportation and other areas. The Germans have coined the term "Industry 4.0" for such technology.
Here, typically some industrial control system (ICS) would be involved, and the machinery controlled by this would not necessarily need to be connected to the Internet. For instance, you could order some furniture in a webshop specifying the exact dimensions you want, but the related production gear might run totally separated behind an air-gap ...
Biting the hand that feeds IT
