The abbreviation 'IoT' stands for the Internet of Things, which refers to a network of interconnected smart devices that communicate and exchange data over the internet. IoT devices, such as smart thermostats, wearables, and home security systems, collect, transmit, and analyze data, enhancing user convenience and efficiency. The IoT ecosystem allows for automation, remote monitoring, and data-driven decision-making, revolutionizing how individuals interact with technology in everyday life and contributing to advancements in various industries.