There is only one home to the life of a river-mussel there is only one home to the life of a tortoise there is only one shell to the soul of man: there is only one world to the spirit of our race. If that world leaves its course and smashes on boulders of the great void whose world will give us shelter?
In a wristwatch imagine the battery is in the strap and there's a medical sensor in there connected to the internet. If someone is monitoring that they could phone up if the user has forgotten to take some medication. This could save hundreds of dollars in medical fees later. What's missing? It's a stable battery.