I have one in almost every room. I use it mostly for controlling all my smart stuff, playing music, and doing a lot of calculator stuff, especially in the kitchen. They’re arranged in various groups so music can be played everywhere or in select rooms. I have one in the garage so if I injure myself, I can call 911 while applying a tourniquet. My wife can use it like an intercom to let me know she’s ready or dinner is ready. It’s also nice when we’re talking about something and then later, when we’re watching Amazon Prime, we get targeted ads for whatever we were talking about. Mostly, I control lights, plugs, outlets, thermostats, and Fire TV.