For years now, we've been hearing about how the Internet of Things will connect every object in our homes. And for years, the vast majority of those objects stay dumb. "What companies are struggling with when it comes to the broad label of the IoT on the consumer side is what the actual problem trying to be solved is," says Rob Chandhouk, president of the sensor startup Helium. "Look at Samsung's new smart fridge, which they're marketing as the hub for your home. Do you think of your refrigerator as a hub?"