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We have arrived at the dawn of the Internet-of-Things (IoT) era. 25 billion devices (things or physical objects) are already connected to the Internet, and this number is expected to grow to 50 billion by 2020. IoT is a network of physical objects. These objects contain sensors, actuators, and processing elements that enable us to gather data, monitor the health of the object, make intelligent decisions, and optimize processes. IoT is expected to have a potential economic impact of 3-6 trillion per year by 2025, with 1-2. 5 trillion of this economic impact (its largest fraction) coming from smart healthcare applications. These applications will be enabled by a personal healthcare system consisting of implantable and wearable medical sensors and devices connected to a personal health hub (e. g. , a smartphone or smartwatch) that is connected to the Internet.
Niraj K. Jha (Wed,) studied this question.