Home Assistant devices are getting smarter by the day – they can control the lighting, heating, security for your home, act as speakers and as a search engine, set timers, and manage calendars and reminders. They can connect with external apps such as Spotify or Uber. They can do quick tasks (making lists, doing calculations), connect with your other smart gadgets, play trivia games or tell jokes. There are a number of business cases for assistant devices as well such as aiding check-in and experiences at hotels and providing assistance in retail stores.Google and Alexa are the most popular Home Assistant devices.