> It can reveal “unknown unknowns”. Often, prototypes uncover things I couldn’t have anticipated.
This is the exact opposite of my experience. Every time I am playing around with something, I feel like I'm experiencing all of its good and none of its bad ... a honeymoon phase if you will.
It's not until I need to cover edge cases and prevent all invalid state and display helpful error messages to the user, and eliminate any potential side effects that I discover the "unknown unknowns".
This is the exact opposite of my experience. Every time I am playing around with something, I feel like I'm experiencing all of its good and none of its bad ... a honeymoon phase if you will.
It's not until I need to cover edge cases and prevent all invalid state and display helpful error messages to the user, and eliminate any potential side effects that I discover the "unknown unknowns".