It's a negotiable fuzzy boundary. How would feel if your friends made private copies of posts you shared with them? ("Took a photo of your yard sign"). How wo

It's a negotiable fuzzy boundary. How would feel if your friends made private copies of posts you shared with them? ("Took a photo of your yard sign"). How would you feel if Facebook provided them a tool to help with that? How would you feel if Facebook did that automatically as a courtesy to them?