You could do it with the helium network now. That's a specific reason to avoid helium - it's the closest to a ubiquitous network that will let people spy on you

You could do it with the helium network now. That's a specific reason to avoid helium - it's the closest to a ubiquitous network that will let people spy on your use of ordinary electrical appliances. Unlike TVs, your next fridge won't need an internet connection to spy on your use.