IoT stands for the Internet of Things. It refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity, which enables them to connect and exchange data over the internet. In simple terms, IoT is about connecting everyday objects to the internet and allowing them to communicate with each other and with humans.

The concept behind IoT is to enable objects to collect and share data in real-time, creating a network of interconnected devices that can be remotely monitored, controlled, and managed. These devices can range from small wearable devices like fitness trackers to large industrial machinery, smart home appliances, vehicles, and infrastructure systems.

IoT technology typically involves sensors or actuators embedded in objects, which collect data such as temperature, humidity, location, motion, or other environmental factors. This data is then transmitted over the internet to a central system or other devices for analysis, storage, and further action.

The applications of IoT are vast and diverse, spanning across various industries such as healthcare, transportation, manufacturing, agriculture, energy management, and smart cities. IoT has the potential to enhance efficiency, improve decision-making, automate processes, and enable new services and business models by leveraging the power of data and connectivity. However, it also raises concerns about privacy, security, and the ethical use of personal information.