Robots are just beginning to make their presence felt in modern life. Surgery, prosthetics and warehouses are just some of the areas where robots have found a foothold in recent years. There will be many more. These are early days.  But it’s not too early for the industry to find its biggest use cases. All it had to do is ask, “What are the two most ubiquitous products in the U.S.?” The answer is pretty obvious.