A slightly smarter universal remote
For the few times I actually used a smart thermostat, I couldn't imagine living without one.
Some say a tablet is just a big ass phone. I think they might be right.
Useful as a Z-Wave or Zigbee network extender, but not much more.
It's like a tablet, but less useful.
I don't own a robot vacuum, but I do know you need one with cameras or lasers for accurate vacuuming.
If a house had a butt, it would be the garage.