Wikipedia broadly defines the IoT (Internet of Things) as a “network of physical devices that enables these objects to collect and exchange data.” A physical device can be a sensor, a car, a building and any other “smart” object. Things that were once considered “dumb” can be made smart by embedding sensors in them. There are now billions of devices collecting and exchanging and receiving data to keep check on our lives, economy and planet. Every smart device is a point or node in a network.
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