Levels of Distractibility: Who cares? = *. Some people will be distracted from your meaning: = **. Many people will be distracted from your meaning: = ***.
Question: Is it OK to say, "He was hung"?
Answer: People are "hanged." Pictures are "hung." Why? I don't know, but that's the distinction.
Rating of Distractibility: ***. Another example of usage that eventually will go to one or the other. I'm guessing that the winner will eventually be "hung."