The role of technology in the home has changed drastically in recent years. We've come a long way from the kitchen wall phone and desktop computer, in an era when smartphones, tablets and wearables dominate the scene. The newest wave comes from the internet of things (IoT), and today's offerings are raising the bar on what makes a device "smart." Increasingly, "smart" means safe, in terms of security and health. Joe Colistra, architect at the Center for Design Research at the University of Kansas, was recently profiled in The Atlantic on his vision for a smart home that safeguards occupants' well-being. Such updates include motion-sensing walls and force-detecting floors that notice walking problems in senior citizens. Another update: "smart toilets" that analyze biochemistry and report to doctors on the user's health. With technology redefining home life in these ways, now seems like a ripe time for entrepreneurs to get in on...