Now that the majority of households in the U.S. own, watch and use a smart television set or TV-connected device — with artificial intelligence-powered ability to control how they watch or use these products with their voice — what’s the next big thing consumers will do with these products?  The answer:  Monitor and control other aspects of their homes, from adjusting room temperatures to knowing who is at their front door.  That was the consensus viewpoint of a new interfaces panel at last Tuesday’s first-ever “Next: The Connected Future Summit,” hosted by the Internet of Things Consortium, a collection of companies and ventures in the smart-home marketplace.