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What is the Internet of Things (IoT)?

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Quick answer

The Internet of Things (IoT) is the network of everyday physical objects — thermostats, watches, cars, sensors — embedded with software and connectivity so they can collect and exchange data over the internet. Ordinary devices gain sensors, software, and internet connectivity.

Key things to understand

  1. Ordinary devices gain sensors, software, and internet connectivity.
  2. They collect data and can be monitored or controlled remotely.
  3. Examples: smart-home devices, fitness trackers, connected cars, industrial sensors.
  4. More connected devices means more convenience — and more security/privacy concerns.

People also ask

What is an example of IoT?
Smart thermostats, fitness trackers, voice assistants, and connected security cameras.
How does IoT work?
Devices with sensors send data over the internet to apps or cloud services that analyze it and can send back commands.
What are the risks of IoT?
Weakly secured devices can be hacked, and the data they collect raises privacy concerns.