4. I think the author's stance is that they are more annoyed that we get angry about things we see, even when we sometimes are guilty of doing them ourselves. Also, the message would be the importance of teaching our children carefully. Finally, the saying "Practice what you preach" comes to mind. If you are angered about gun violence, than maybe you shouldn't let your kid play gun games all the time!
4.I think this picture it good convey to audience and knowing a advantage and disadvantage of social network if you use it property it willbe useful for you and the other hand if you we use much of social network i will be a not useful for you this picture persuade you think the bad things by using mush social network. the picture try to send meaning that is if you interact much social it likes a alone and private person .