Imagine that your home security system lets you know when your kids get home from school. As they’re grabbing an afternoon snack, your kitchen takes inventory and sends a shopping list to your local supermarket. There, robots prepare the goods and pack them for home delivery into an autonomous vehicle – or a drone. Meanwhile, your smart watch, connected to a system that senses and analyzes real-time health indicators, alerts you to a suggested dinner menu it just created based on....