What if you go to a friend's house (youtube) and see a letter that says do not read. But you whip out your camera phone, take a picture, come home and read? The

What if you go to a friend's house (youtube) and see a letter that says do not read. But you whip out your camera phone, take a picture, come home and read? The discussion is not about what is possible or should be done, it is about what is legal/moral.