Earlier quoted context omitted.
There is a whole different dynamic to these devices in China. Air quality, water quality, etc. are part of middle class lifestyle in China, and many people do not trust the authorities to keep these parameters within spec. Multiple air filters in an apartment are common, and monitoring the performance of these devices is an obvious interest to their owners. This is a much more compelling home automation story than th…
I've never understood the desire to add smart technology to the smoke alarm. Once properly installed a smoke alarm should be interacted with when (1) there is a fire, (2) the battery is running flat. False alarms pretty much mean you've installed it wrong.
Because very few things suck more than coming home from work and your house is burnt down because the smoke alarm wasn't heard by anyone and by the time the fire crews arrive it's too late. Happened to a friend of mine, house was beyond repair even though fire crews arrived 10min after a passing driver noticed the blaze.