The acronym 'IoT' typically refers to the Internet of Things. It encompasses a network of interconnected devices that can collect, exchange, and process data over the internet. IoT devices range from smart home appliances to industrial machines, all equipped with sensors and software to communicate with each other. This connectivity allows for enhanced automation, data analysis, and improved efficiency across various applications, including smart cities, healthcare, and supply chain management, radically transforming how we interact with technology and the environment.