Learn about Machine to Machine (M2M) and Internet of Things (IoT)
As a good visual overview of Enterprise IoT, made by CISCO and applied to buildings:
Enterprise Internet of Things according to CISCO is the network of physical objects accessed through internet technology within an enterprise network. Examples might be enterprise networks that span office buildings, retail stores, classrooms, restaurants and hotels, among many others. Your company is full of devices that can be connected into your network to allow you to provide more control and save money.
Dr. John Barrett explains the Internet of Things in his TED talk:
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