Setting the temperature of a home from a smartphone app is an example of the Internet of Things.
What does the 'Internet of Things' mean?
The Internet of things is a term used to describe how software, sensors, etc, can be connected by means of the internet to exchange information.
In this case, the thermostat can be connected to the cell phone to change information and set a predetermined configuration.
Wi-Fi-based thermostats can be used to set a temperature even if a person is away from his/her home.
Learn more about 'The Internet of things' here:
https://brainly.com/question/19995128
