Product sense is a thing that you can't understand if you don't have it.
- Product sense is a thing that you can't understand if you don't have it.
- The outwardly-visible characteristics of product sense are not product sense.
- If you have it, you think everyone will have it.
- It is invisible to you.
- You can't develop product sense out of just saying "just tell me how to turn the crank better."