Way back when these first started coming out I though it was a great idea ... because I didn't understand how jewed the implementation was. A WiFi thermostat, I thought, just meant you connect it to your WiFi and then devices on the LAN can control the thermostat. So I get it home and start reading the instructions. "What do you mean I have to create an account on Honeywell's web site and agree to some privacy policy that has no legal meaning and can be arbitrarily changed at any time? Fuck that shit." Back to the store it went. Still waiting for someone to make WiFi shit that doesn't need WAN access to work. If I want to control it from outside my LAN I'll use my VPN, thanks.