The idea of a smart home - using digital devices throughout the home that can be controlled by digital voice assistants, apps, smartphones and tablets - is not a science fiction vision of the future: it is very much part of the here and now, and available to all. Also known as the Internet of Things (IoT), smart home devices can be used to automate tasks, save time and money, and to control devices in your home with a touch of a button - even when...