is not to say that the last profitable toothbrush company has been created. that is not what jobs theory says.
but, set out to design a solution around “keep my teeth healthy”, and now you’re looking at a problem that people faced hundreds of years ago, they face today, and they will face hundreds of years from now.
if you can find a way to help people keep their teeth healthy that’s more effective, less expensive, and takes less time than brushing their teeth … well, it’s safe to say you’re on to something with a larger upside than a better toothbrush.
let’s look at a few more examples of jobs to be 