In the earliest days of the Internet of Things, insiders liked to describe IoT as what would happen if your wristwatch and your toaster were connected to the Internet. “What if your bread were toasted when the alarm on your wristwatch told the toaster you were waking up?”

It was an exciting and slightly baffling concept. Would I want my bread toasting when I awake each morning? Fortunately, like the Internet, the Internet of Things has matured and become more sophisticated. Let’s begin with how it’s currently defined and how it’s beginning to redefine businesses, cities, and lives.

From a technical perspective, the Internet of Things, or IoT, ...

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