"working as expected" doesn't preclude defects. As expected by whom? There's always a range of expectations to consider... take the iPhone4 antenna, was it a bu

"working as expected" doesn't preclude defects. As expected by whom? There's always a range of expectations to consider... take the iPhone4 antenna, was it a bug or just people "holding it wrong"/ intentionally squeezing the phone to demonstrate signal loss? Or, take programming languages - is the null pointer "working as expected", or is it a "billion dollar mistake"?