&gt; Lights that dim when the movie starts.<p>How does it know you want the lights dimmed? What if someone in the room is reading? This would be pretty high level AI.<p>&gt;A front door that unlocks when you approach.<p>It has to know if you&#x27;ll enter the house. What if you don&#x27;t?<p>It could lock it again, but then what if someone else left the house assuming it was unlocked. Now they could be locked out.<p>These are hard problems to solve and more AI related.