Which of the following is NOT an example of the Internet of Things?

Multiple Choice

WiFi$-$based home automation networks that turn the lights on and off or lock your doors.

Voice$-$activated assistants like Amazon$$s Alexa or Google Home that perform various tasks.

Wearables such as smart watches or exercise bands like Fitbit that can monitor your breathing and heart rate, count your steps, and send the information to your phone.

Being able to take pictures with your cell phone.