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.
Stories are amazing and powerful because they can resonate with people depending on their needs and experiences and speak truths we need to hear in that moment in time.