Also, there is a lot of inertia in the home automation space. Hue is all Zigbee, and is one of the biggest off the shelf IoT platforms right now. The door lock space is mostly z-wave. Friends that I have that have a mix of these things are more and more putting their energy into z-wave as it's far more reliable than wifi, having the advantages of the mesh network, and living in a non crowded spectrum.