The 1st law of robotics: a robot must not do any harm to a human through its action or allow harm through its inaction.
The 2nd law of robotics: a robot must obey an order given to it by a human, except when in conflict with the first law.
Seems like the Nest thermostat isn't built to obey the above laws!
Seems like the Nest thermostat isn't built to obey the above laws!