Imagine if the walls of your house could talk–and tell you things like who keeps forgetting to turn off the hallway lights, or how many times has your family eaten dinner together in the last month? Kamin Whitehouse is building software to do just that. The University of Virginia associate professor is leading a team that designed a system–enabled by sensors installed in wall panels and other places in the home–to let users monitor the activities of household members and analyze their behavior. Many companies in Silicon Valley have talked about connected devices, such as smar...