If every customer is using your product "correctly", you'll never learn anything interesting about what to do next.
I don't use many apps. I use naps.
That's already been tried before only means the first attempt got it wrong.
Better to be right about the trend and wrong about the implementation, than the other way around.
We're going from a world of customized software to standardized platforms.
Read these 3 books - Crossing the Chasm, Innovators Dilemma and Behind the Cloud.