Which of the following is a benefit from the concept of Internet of Things?

Which of the following is a benefit from the concept of Internet of Things?
A . Employees can choose from a variety of devices they want to utilize to privately read work emails without their employer’s knowledge.
B . Physical devices, such as thermostats and heat pumps, can be set to react to electricity market changes and reduce costs.
C . Information can be extracted more efficiently from databases and transmitted to relevant applications for in-depth analytics.
D . Data mining and data collection from internet and social networks is easier, and the results are more comprehensive

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Answer: B