The Internet of things (IoT) is the network of physical devices, vehicles, home appliances, and other items embedded with electronics , software , sensors , actuators , and network connectivity which enable these objects to connect and exchange data . [1] [2] [3] Each thing is uniquely identifiable through its embedded computing system but is able to inter-operate within the existing Internet infrastructure. Experts estimate that the IoT will consist of about 30 billion objects by 2020. [4] It is also estimated that the global market value of IoT will reach $7.1 trillion by 2020. [5] The IoT allows objects to be sensed or controlled remotely across existing network infrastructure, [6] creating opportunities for more direct integration of the physical world into computer-based systems, and resulting in improved efficiency, accuracy and economic benefit in addition to reduced human interventi...
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